List of Vikings characters
Vikings is inspired by the sagas of Viking Ragnar Lothbrok, one of the best-known legendary Norse heroes and notorious as the scourge of England and France. The broad historical narrative is based on real events, with some of the principal characters representing real figures from history and/or legend.
The show portrays Ragnar as a former farmer who rises to fame by successful raids into England, and eventually becomes king of Denmark, with the support of his family and fellow warriors: his brother Rollo, his son Bjorn Ironside, and his wives—the shieldmaiden Lagertha and the princess Aslaug.
The following is a list of series regulars who have appeared in one or more of the series's six seasons. The characters are listed in the order they were first credited in the series.
|Part 1||Part 2||Part 1||Part 2||Part 1||Part 2|
|Ragnar Lothbrok||Travis Fimmel||Main||Does not appear|
|Lagertha||Katheryn Winnick||Main||Does not appear|
|Rollo||Clive Standen||Main||Special appearances||TBA||Does not appear|
|Siggy||Jessalyn Gilsig||Main||Does not appear|
|Floki||Gustaf Skarsgård||Main||TBA||Does not appear|
|Earl Haraldson||Gabriel Byrne||Main||Does not appear|
|Athelstan||George Blagden||Main||Recurring||Guest||Body double||Does not appear|
|King Horik||Donal Logue||Main||Does not appear|
|Aslaug||Alyssa Sutherland||Featured||Main||Does not appear|
|King Ecbert||Linus Roache||Does not appear||Main||Body double||Does not appear|
|Bjorn Ironside||Alexander Ludwig||Does not appear||Main||Does not appear|
|Nathan O'Toole (young)||Recurring||Guest||Does not appear||Recurring||Guest||Does not appear|
|Kalf||Ben Robson||Does not appear||Main||Does not appear|
|Harbard||Kevin Durand||Does not appear||Main||Does not appear|
|Charles||Lothaire Bluteau||Does not appear||Main||Does not appear|
|The Seer||John Kavanagh||Recurring||Main||Featured||Does not appear|
|Harald Finehair||Peter Franzén||Does not appear||Main||Does not appear|
|Halfdan the Black||Jasper Pääkkönen||Does not appear||Main||Does not appear|
|Ivar the Boneless||Alex Høgh Andersen||Does not appear||Recurring||Main||Does not appear|
|Hvitserk||Marco Ilsø||Does not appear||Recurring||Main||Does not appear|
|Sigurd Snake-in-the-Eye||David Lindström||Does not appear||Recurring||Main||Body double||Does not appear|
|Ubbe||Jordan Patrick Smith||Does not appear||Recurring||Main||Does not appear|
|Aethelwulf||Moe Dunford||Does not appear||Recurring||Main||Does not appear|
|Bishop Heahmund||Jonathan Rhys Meyers||Does not appear||Featured||Main||Does not appear|
|Oleg||Danila Kozlovsky||Does not appear||Main||Does not appear|
- Cast notes
- In the first part of season 5, Lagertha is also portrayed by guest child actress Mabel Hurley.
- In seasons 2 and 3, Ivar the Boneless is portrayed by an uncredited infant actor. In the first part of season 4, Ivar the Boneless is portrayed by recurring child actor James Quinn Markey and guest actor Alex Høgh Andersen.
- In seasons 2 and 3, Hvitserk is portrayed by recurring infant actor Cathal O'Hallin. In the first part of season 4, Hvitserk is portrayed by recurring child actor Stephen Rockett and guest actor Marco Ilsø.
- In seasons 2 and 3, Sigurd Snake-in-the-Eye is portrayed by an uncredited infant actor. In the first part of season 4, Sigurd Snake-in-the-Eye is portrayed by recurring child actor Elijah O'Sullivan and guest actor David Lindström.
- In seasons 2 and 3, Ubbe is portrayed by recurring infant actor Cormac Melia. In the first part of season 4, Ubbe is portrayed by recurring child actor Luke Shanahan and guest actor Jordan Patrick Smith.
- Played by Travis Fimmel (seasons 1–4)
Originally a farmer, Viking Ragnar Lothbrok claims to be descended from the god Odin. He becomes Earl of Kattegat after he challenges and kills the ruthless Earl Haraldson. He is also a feared warrior, becomes a raider of undiscovered lands, and, eventually, King of Denmark. Despite his reputation for ruthlessness and brutality, he is a curious man prepared to learn about other cultures. Based on the semi-legendary Ragnar Lodbrok.
- Played by Katheryn Winnick (seasons 1–present) and Mabel Hurley (season 5)
Lagertha is Ragnar's first wife and a shieldmaiden. Following her separation from Ragnar, Lagertha rises to become Earl of Hedeby in her own right, going by the name Earl Ingstad. Following the deaths of Ragnar and Aslaug, she becomes Queen of Kattegat. Based on the legendary Lagertha.
- Played by Clive Standen (seasons 1–present)
Ragnar's brother. A ruthless and skilled warrior, but his life in his brother's shadow makes Rollo's feelings towards Ragnar change from love and admiration to hateful jealousy. Eventually, he defects to the Franks and is made Duke of Normandy. Based on the historical Rollo.
- Played by Jessalyn Gilsig (seasons 1–3)
Earl Haraldson's wife, and later the love-interest of Rollo. She possesses a strategic mind and an urge to regain her power and influence, but grows to care for Ragnar and his family. She drowns while attempting to save Ragnar's children from a similar fate.
- Played by Gustaf Skarsgård (seasons 1–present)
A gifted but eccentric shipbuilder and friend of Ragnar. His ships create a revolution in shipwrighting. He considers himself descended from the trickster god Loki. Loosely based on the historical Hrafna-Flóki Vilgerðarson.
- Played by Gabriel Byrne (season 1)
Ragnar's predecessor as Earl of Kattegat and husband of Siggy. He grows to resent Ragnar's ambitions to raid the West, and sees Ragnar's growing popularity as a threat to his rule. He is killed by Ragnar during personal combat.
- Played by George Blagden (seasons 1–4)
An Anglo-Saxon monk, originally serving at the monastery of Lindisfarne in Northumbria. Captured by Ragnar on his first raid, Athelstan is constantly torn between the customs of Christian England and the pagan ways of Scandinavia.
King Horik of Denmark
- Played by Donal Logue (seasons 1–2)
A powerful king in Denmark who ends up being overthrown by Ragnar. Based on the historical Horik I.
- Played by Alyssa Sutherland (seasons 1–4)
Ragnar's second wife, claiming to be the daughter of the shieldmaiden and valkyrie Brynhildr and the dragonslayer Sigurd. She is ultimately killed and usurped by a vengeful Lagertha. Based on the legendary Aslaug.
King Ecbert of Wessex
- Played by Linus Roache (seasons 2–4)
Ragnar and Lagertha's son, given his epithet by his father after his first battle with the Saxons. Based on the historical Björn Ironside.
- Played by Ben Robson (seasons 3–4)
A prominent and ambitious Hedeby villager who later betrays Lagertha and takes her earldom.
- Played by Kevin Durand (seasons 3–4)
A charismatic wanderer and storyteller who visits Kattegat.
Emperor Charles of West Francia
- Played by Lothaire Bluteau (seasons 3–4)
Ruler in Paris, he witnesses Ragnar's attack on the city and later employs Rollo as a defender against Viking raids. Charles is a composite character drawing from the historical Charles the Bald (grandson of Charlemagne who first defended Paris from the Vikings), Charles the Fat (who commanded Odo) and Charles the Simple (who encountered Rollo, and may have had a daughter Gisela).
- Played by John Kavanagh (seasons 1–5)
Seiðr of Kattegat. He often provides mysterious predictions to the characters. He is murdered by Ivar after refusing to recognise Ivar as a god and predicting Ivar's fall.
King Harald Finehair
- Played by Peter Franzén (seasons 4–present)
An ambitious Viking who seeks to become the king of all of Norway to marry the princess Ellisif. Harald initially becomes an ally to Ragnar during his second attempt at raiding Paris. After the expedition fails, Harald spends years conquering his neighbours' lands, including Rogaland. He lends some of his forces to the Great Heathen Army and partakes in battle against king Aella and prince Aethelwulf. Meanwhile, he makes an attempt at conquering Kattegat, but his force is defeated. When he discovers Ellisif is already married, he murders her husband. Harald then kidnaps Astrid and proposes to her. When Astrid consents, they are married. Ivar arrives to Harald's kingdom seeking an ally to overthrow Lagertha. Astrid betrays her new husband to warn Lagertha, but her agents rape her. When Astrid becomes pregnant, Harald become increasingly fond and protective of her, not knowing the child might not be his. Astrid insists on joining the campaign against Lagertha, and is killed in battle. Harald mourns the death of his wife and the child he believes was his and vows vengeance on Lagertha. Harald travels to York and manipulates Ivar's governor into defecting to his side. Harald shares a plan to raid Wessex and then launch an invasion of Kattegat. However, his raid on Wessex is thwarted when his army is defeated by Alfred and Ubbe. Based on the historical Harald Fairhair.
Halfdan the Black
- Played by Jasper Pääkkönen (seasons 4–5)
Harald's violent younger brother. He hates Christians and is motivated by getting to kill as many of them as possible. Eventually he grows tired of living in his brother's shadow and of Harald's war with other Norsemen and joins an expedition with Bjorn to the mediterranean. During the trip they form a close friendship which leads to Halfdan joining Lagertha's side when Ivar and Harald declare war on her. When faced by Harald in battle, he is killed. A composite character of the historical Halfdan Ragnarsson and historical Halfdan the Black, the father of Harald Fairhair.
Ivar the Boneless
- Played by an uncredited infant actor (seasons 2–3), James Quinn Markey (season 4) and Alex Høgh Andersen (seasons 4–present)
Ragnar and Aslaug's fourth and most violent son. A birth defect has rendered his legs useless and left him impotent. Ivar is more unstable than his brothers, sadistic and seemingly narcissistic. While publicly boastful, in private Ivar is deeply insecure about himself and feels unloved by all except his mother Aslaug. When Lagertha kills Aslaug Ivar vows vengeance and with the help of Harald and Rollo makes himself king of Kattegat. He is married to his former slave Freydis, who manipulates him and inflates his ego. Based on the historical Ivar the Boneless.
- Played by Cathal O'Hallin (seasons 2–3), Stephen Rockett (season 4) and Marco Ilsø (seasons 4–present)
Ragnar and Aslaug's second son. He enjoys battle and adventure and sides with his younger brother Ivar when Ivar and Ubbe fall out. As Ivar's megalomania increases and Ivar becomes more abusive of him, Hvitserk starts to question his decision. Based on the semi-historical or legendary Hvitserk.
- Played by an uncredited infant actor (seasons 2–3), Elijah O'Sullivan (season 4) and David Lindström (season 4)
Ragnar and Aslaug's third son. Killed by his brother Ivar after years of bullying. Based on the historical Sigurd Snake-in-the-Eye.
- Played by Cormac Melia (seasons 2–3), Luke Shanahan (season 4) and Jordan Patrick Smith (seasons 4–present)
Ragnar and Aslaug's first son. He is the most responsible of Aslaug's sons, he does not initially take part in Viking raids, preferring to stay home and protect Kattegat. When his mother is killed, he initially wants revenge. However, as his previously warm relationship with Ivar turns hostile he sides with Lagertha. When Lagertha is driven into exile in England, Ubbe becomes Alfred's advisor and converts to Christianity. Based on the historical Ubba.
- Played by Moe Dunford (seasons 2–5)
Son of King Ecbert and a fanatical Christian. He is married to Princess Judith, with whom he has a son, Prince Aethelred. He dies by asphyxiation after being stung by a bee. Based on the historical Aethelwulf.
- Played by Jonathan Rhys Meyers (seasons 4–5)
A very religious warrior priest. Heahmund leads an army in resistance against the Norse presence in York, becoming a principal ally to Aethelwulf. He is eventually captured by Ivar who admires his skill as a warrior. Heahmund fights for Ivar against Lagertha, but is captured in the initial battle. Having become smitten by Lagertha, he seduces her and switches to her side. On his suggestion, Lagertha and her followers seek refuge in England. Through Heahmund's influence the Noremen are given sanctuary in return for fighting against other Viking raiders. When Harald Finehair attempts to raid Wessex, Heahmund fights in the frontline. In the battle he is wounded by arrows and killed by Gunnhild. Broadly inspired by the historical Heahmund.
- Played by Danila Kozlovsky (seasons 6)
The Varangian (east European Viking) ruler of Kiev, called "the Prophet". He is the protector of the heir to the Rus kingdom, Igor and brother in law of Igor's father Rurik. Oleg is sadistic and uses his status as Igor's protector as a pretext for consolidating control over the kingdom. He has successfully sacked Constantinople, but is critical of Rurik eastward expansion. Oleg wants to conquer Scandinavia which he claims is the property of the Rus. Oleg takes in Ivar, thinking him useful for his plan to invade Scandinavia. Oleg forms an uneasy friendship with Ivar after revealing that he murdered his wife after discovering her infidelity. Ivar's similar experience with Freydis brings them closer. The character is based on the semi-historical Oleg the Prophet.
The following is a list of recurring characters, listed in the order that they first appeared on the show.
|Part 1||Part 2||Part 1||Part 2||Part 1||Part 2|
|Svein||David Pearse||Recurring||Does not appear|
|Gyda||Ruby O'Leary||Recurring||Does not appear||Guest||Does not appear|
|Erik||Vladimir Kulich||Recurring||Does not appear|
|Leif||Diarmaid Murtagh||Recurring||Does not appear|
|Arne||Tadhg Murphy||Recurring||Guest||Does not appear|
|Torstein||Jefferson Hall||Recurring||Does not appear|
|Elisef||Carrie Crowley||Recurring||Does not appear|
|King Aelle||Ivan Kaye||Recurring||Guest||Recurring||Does not appear|
|Thyri||Elinor Crawley||Recurring||Does not appear||Guest||Does not appear|
|Helga||Maude Hirst||Recurring||Does not appear|
|Rafarta||Donna Dent||Guest||Does not appear||Recurring||Does not appear|
|Queen Ealhswith||Cathy White||Guest||Does not appear||Recurring||Does not appear|
|Jarl Borg||Thorbjørn Harr||Guest||Recurring||Does not appear|
|Erlendur||Edvin Endre||Does not appear||Recurring||Does not appear|
|Earl Sigvard||Morten Suurballe||Does not appear||Recurring||Does not appear|
|Bishop Edmund||Philip O'Sullivan||Does not appear||Recurring||Does not appear|
|Torvi||Georgia Hirst||Does not appear||Recurring||Does not appear|
|Thorunn||Gaia Weiss||Does not appear||Recurring||Does not appear|
|Einar||Steve Wall||Does not appear||Recurring||Guest||Does not appear|
|Judith||Jennie Jacques||Does not appear||Recurring||Does not appear|
|Kwenthrith||Amy Bailey||Does not appear||Recurring||Does not appear|
|Angrboda||Rosalie Connerty||Does not appear||Guest||Recurring||Does not appear|
|Burgred||Aaron Monaghan||Does not appear||Recurring||Does not appear|
|Aethelred||Darren Cahill||Does not appear||Recurring||Does not appear|
|Earl Siegfried||Greg Orvis||Does not appear||Recurring||Does not appear|
|Sinric||Frankie McCafferty||Does not appear||Recurring||Guest||Does not appear||Recurring||Does not appear|
|Alfred||Ferdia Walsh-Peelo||Does not appear||Recurring||TBA||Does not appear|
|Odo||Owen Roe||Does not appear||Recurring||Does not appear|
|Gisla||Morgane Polanski||Does not appear||Recurring||Does not appear|
|Roland||Huw Parmenter||Does not appear||Recurring||Does not appear|
|Therese||Karen Hassan||Does not appear||Recurring||Does not appear|
|Guthrum||Ben Roe||Does not appear||Guest||Recurring||Does not appear|
|Magnus||Dean Ridge||Does not appear||Guest||Recurring||Guest||Does not appear||Recurring||Does not appear|
|Yidu||Dianne Doan||Does not appear||Recurring||Does not appear|
|Prudentius||Seán Ó Meallaigh||Does not appear||Recurring||Does not appear|
|Waerferth||Des Carney||Does not appear||Recurring||Does not appear|
|Astrid||Josefin Asplund||Does not appear||Recurring||Does not appear|
|Margrethe||Ida Marie Nielsen||Does not appear||Recurring||Does not appear|
|Hali||Ryan Henson||Does not appear||Recurring||Does not appear|
|Asa||Elodie Curry||Does not appear||Recurring||Does not appear|
|Tanaruz||Sinead Gormally||Does not appear||Recurring||Does not appear|
|Lord Cuthred||Jonathan Delaney Tynan||Does not appear||Recurring||Does not appear|
|White Hair||Kieran O'Reilly||Does not appear||Recurring||Does not appear|
|Queen Freydis||Alicia Agneson||Does not appear||Recurring||Does not appear|
|Kassia||Karima McAdams||Does not appear||Recurring||Does not appear|
|Kjetill Flatnose||Adam Copeland||Does not appear||Recurring||Does not appear|
|Eyvind||Kris Holden-Ried||Does not appear||Recurring||Does not appear|
|Aud||Leah McNamara||Does not appear||Recurring||Does not appear|
|Helgi the Lean||Jack McEvoy||Does not appear||Recurring||Does not appear|
|Thorunn||Mei Bignall||Does not appear||Recurring||Does not appear|
|Ingvild||Kelly Campbell||Does not appear||Recurring||TBA||Does not appear|
|Bul||James Craze||Does not appear||Recurring||Does not appear|
|Asbjorn||Elijah Rowen||Does not appear||Recurring||Does not appear|
|Thorgrim||Rob Malone||Does not appear||Recurring||Does not appear|
|Frodi||Scott Graham||Does not appear||Recurring||TBA||Does not appear|
|Jorunn||Tallulah Belle Earley||Does not appear||Recurring||Does not appear|
|Svase||Anthony Brophy||Does not appear||Recurring||Does not appear|
|Snaefrid||Dagny Backer Johnsen||Does not appear||Recurring||Does not appear|
|Lord Cyneheard||Malcolm Douglas||Does not appear||Recurring||Does not appear|
|Elsewith||Róisín Murphy||Does not appear||Recurring||Does not appear|
|Gunnhild||Ragga Ragnars||Does not appear||Recurring||Does not appear|
|Thora||Eve Connolly||Does not appear||Recurring||Guest||Does not appear|
|Lady Ethelfled||Ann Skelly||Does not appear||Recurring||Does not appear|
|King Olaf the Stout||Steven Berkoff||Does not appear||Recurring||Guest||Does not appear|
|Amma||Kristy Dawn Dinsmore||Does not appear||Recurring||Does not appear|
|Ingrid||Lucy Martin||Does not appear||Recurring||Does not appear|
|Igor||Oran Glynn O'Donovan||Does not appear||Recurring||Does not appear|
- Cast notes
- In season 2, Judith is portrayed by recurring actress Sarah Greene.
- In seasons 2 and 3, Angrboda is portrayed by an uncredited infant actress.
- In seasons 3 and 4, Aethelred is portrayed by an uncredited infant actor.
- In season 3, Alfred is portrayed by an uncredited infant actor. In the first part of season 4, Alfred is portrayed by recurring infant actor Conor O'Hanlon. In the second part of season 4, Alfred is portrayed by recurring child actor Isaac O'Sullivan.
- In season 3 and in the first part of season 4, Guthrum is portrayed by an uncredited infant actor. In the second part of season 4, Guthrum is portrayed by recurring child actor Anton Giltrap.
- In season 3 and in the first part of season 4, Magnus is portrayed by an uncredited infant actor. In the second part of season 4, Magnus is portrayed by guest child actor Cameron Hogan.
- In the second part of season 4, Hali is portrayed by an uncredited infant actor.
- In the second part of season 4, Asa is portrayed by an uncredited infant actress. In season 5, Asa is portrayed by recurring child actress Svea Killoran.
- Played by David Pearse (season 1)
A loyal henchman of Earl Haraldson. He is killed by Rollo, after Earl Haraldson's death.
- Played by Ruby O'Leary (seasons 1 and 4)
Daughter of Ragnar and Lagertha. She dies in a plague. Loosely based on Ragnar's unnamed daughters.
- Played by Vladimir Kulich (season 1)
Elderly Viking and one of Ragnar's warriors. He has a wife, Elisef, and a son, Leif. He is an early supporter of Ragnar and is murdered by earl Haraldson.
- Played by Diarmaid Murtagh (season 1)
One of Ragnar's warriors and son of Erik and Elisef. He offers himself as a sacrifice at Uppsala.
- Played by Tadhg Murphy (seasons 1–2)
One of Ragnar's warriors; an archer with an eye patch. He is killed in battle by Rollo.
- Played by Jefferson Hall (seasons 1–3)
One of Ragnar's warriors and closest friends.
- Played by Carrie Crowley (seasons 1–2)
Wife of Erik and the mother of Leif.
King Aelle of Northumbria
- Played by Ivan Kaye (seasons 1–4)
Ruler of one of England's ancient kingdoms and the first to be attacked by Ragnar. Father of Princess Judith, Aethelwulf's wife, and grandfather of Princes Aethelred and Alfred. Based on the historical King Ælla of Northumbria. He killed Ragnar by throwing him into a pit of snakes and was executed by Bjorn as retribution for Ragnar's death.
- Played by Elinor Crawley (seasons 1 and 3)
Daughter of Earl Haraldson and Siggy. She, along with Gyda, dies in a plague.
- Played by Maude Hirst (seasons 1–4)
Floki's long-suffering lover and wife. Murdered by her own adopted daughter who shortly after committed suicide.
- Played by Donna Dent (seasons 1, 5)
A woman of Kattegat and Eyvind's wife. She joins Floki's expedition to set up a colony. Her brother was killed by Kjetill's father prior to the events of the series. She is killed by Kjetill.
Queen Ealhswith of Northumbria
- Played by Cathy Whyte (seasons 1–2, 4)
Wife of King Aelle and the mother of Princess Judith.
- Played by Thorbjørn Harr (seasons 1–2)
A powerful warlord of an earldom in Götaland. He has a wife, Torvi, and a son, Guthrum. He was killed by Ragnar with the Blood Eagle, for having attacked his people and his family.
- Played by Edvin Endre (seasons 2–4)
King Horik's first son. He is cruel and spiteful. After the death of his father, he seeks vengeance against Ragnar and his family. He ends up marrying Torvi and conspires with Kalf to ruin Ragnar. He is killed by Torvi after frequently threatening Torvi's son Guthrum.
- Played by Morten Suurballe (season 2)
- Played by Philip O'Sullivan (seasons 2–4)
- Played by Georgia Hirst (seasons 2–present)
Wife of Jarl Borg, then lover and wife of Bjorn and eventually lover of Ubbe.
- Played by Gaia Weiss (seasons 2–3)
- Played by Steve Wall (seasons 2–4)
A scheming troublemaker, and ally of Earl Sigvard of Hedeby. He later betrays Sigvard and helps Lagertha gain power in Hedeby. When Lagertha rejects his advances, he helps Kalf gain power in Hedeby. In the end, he is injured by Kalf and killed by Lagertha.
Daughter of King Aelle and Queen Ealhswith of Northumbria and the wife of Aethelwulf. She has a legitimate son with Aethelwulf, Aethelred, and an illegitimate one with Athelstan, Alfred. Based on the historical Judith of Flanders.
- Played by Amy Bailey (seasons 2–4)
Pretender to the throne of Mercia. She has a brother, Prince Burgred, and a putative illegitimate son with Ragnar, Magnus. Based on the historical Cwenthryth.
- Played by an uncredited infant actress (seasons 2–3) and Rosalie Connerty (season 4)
Floki and Helga's daughter.
- Played by Aaron Monaghan (season 3)
The rebellious brother of Kwenthrith. Based on the historical Burgred of Mercia. He is poisoned by Kwenthrith who becomes Queen of Mercia.
Prince Aethelwulf and Princess Judith's son. Based on the historical Æthelred of Wessex.
- Played by Greg Orvis (season 3)
A friend of Earl Kalf's and an ally to King Ragnar. He is killed at the Siege of Paris. Loosely based on the Norse chief Sigfred who took part in the Siege of Paris (885–86).
- Played by Frankie McCafferty (seasons 3–5)
Sinric (Sindric from season 5 onwards) is a wanderer who taught Ragnar about England and Frankia, and who serves as a translator for the Northmen. Loosely based on the Norse chief Sinric who took part in the Siege of Paris (885–86).
- Played by an uncredited infant actor (season 3), Conor O'Hanlon (season 4), Isaac O'Sullivan (season 4) and Ferdia Walsh-Peelo (season 4–present)
Son of Judith and Athelstan. Broadly based on the historical Alfred the Great.
- Played by Owen Roe (seasons 3–4)
In charge of defending the city from the Vikings. Based on the historical Odo of France. He is flogged to death by Roland on Emperor Charles's orders.
- Played by Morgane Polanski (seasons 3–4)
Daughter of Emperor Charles and later wedded to Duke Rollo. Based on the historical or legendary Gisela of France.
- Played by Huw Parmenter (seasons 3–4)
Count Odo's first-in-command. He has an incestuous relationship with his sister, Therese. He is assassinated with his sister by Emperor Charles's men.
- Played by Karen Hassan (seasons 3–4)
A noblewoman, Roland's sister, and Count Odo's mistress. She is assassinated with her brother by Emperor Charles's men.
- Played by an uncredited infant actor (seasons 3–4), Anton Giltrap (season 4) and Ben Roe (season 5)
Jarl Borg and Torvi's son. He is killed in battle by Hvitserk.
- Played by an uncredited infant actor (seasons 3–4), Cameron Hogan (season 4) and Dean Ridge (season 5)
Ragnar and Kwenthrith's supposed illegitimate son. After spending most of his life as a hostage he is evicted by Aethelwulf when Ragnar denies being his father. Magnus eventually starts to consider himself a Viking, converts to the religion of the Norse gods and joins Harald. He takes part of Bjorn and Hvitserks siege of Kattegat where he suffers from a crisis of faith. Eventually coming to terms with his new identity as a pagan, he tries to scale the walls as the battle turns against Bjorn. Harald attempts to pull him to safety, but Magnus is shot to death by White Hair, when he fails to protect himself with his shield.
- Played by Dianne Doan (season 4)
Chinese slave belonging to Aslaug. Yidu becomes protective of the sons of Ragnar. She also forms a close bond with Ragnar, providing him with a drug and becoming his lover. Later she becomes distressed with the Viking way of life and tries to leave Ragnar. When she refuses to provide him with more of the drug, Ragnar drowns her.
- Played by Seán Ó Meallaigh (seasons 4)
Serves at the court of King Ecbert.
- Played by Des Carney (season 4)
One of King Ecbert's scouts. He is stabbed to death by Kwenthrith.
- Played by Josefin Asplund (seasons 4–5)
Shieldmaiden and lover of Lagertha. She and Bjorn have a secret affair. She is later kidnapped by king Harald whom she marries. When attempting to warn Lagertha of an incoming attack she is raped by the whaler she tries to bribe. Soon after she finds herself pregnant and induces Lagertha to kill her during battle. After her death, Harald carries her earring around as remembrance and swears vengeance on Lagertha. Through she married Harald to gain power, she has some feelings for him, trying to have Ivar send troops to help him when Harald is overwhelmed by Lagertha in battle.
- Played by Ida Marie Nielsen (seasons 4–5)
One of Queen Aslaug's slaves in Kattegat and the shared lover of Ubbe, Hvitserk and Sigurd. She is disturbed by Ivar and fears him. She is later freed and married by Ubbe. Hvitserk remains her lover with Ubbe's consent. Ubbe eventually rejects her to marry Torvi, causing Margrethe to go insane. Hvitserk takes care of her, but when Ivar has a dream where Margrethe stabs him, he sends assassins to murder her. This furthers the rift between Hvitserk and Ivar.
- Played by an uncredited infant actor (season 4) and Ryan Henson (season 5–present)
Bjorn and Torvi's son.
- Played by an uncredited infant actor (season 4), Svea Killoran (season 5) and Elodie Curry (season 6–present)
Bjorn and Torvi's daughter.
- Played by Sinead Gormally (season 4)
A Moorish orphan girl adopted by Helga. When Helga brings her to the sack of Ecbert's villa, Tanaruz snaps and stabs Helga and then kills herself.
- Played by Jonathan Delaney Tynan (season 5)
A nobleman and member of the clergy of Wessex. After Bishop Heahmund is taken by the Vikings, Cuthred is appointed Bishop of Sherborne.
- Played by Kieran O'Reilly (season 5–present)
Ivar's bodyguard. After Ivar's defeat, he is outcast from Kattegat by King Bjorn.
- Played by Alicia Agneson (season 5)
Ivar's former slave and love interest. She becomes Queen of Kattegat by marrying Ivar. As Ivar is impotent, she has sex with a slave which she later murders in order to produce a child. Freydis claims she conceived the child through magically consuming Ivar's blood. This and Freydis' sycophancy leads Ivar to declare himself a god. When the child is eventually born, it's deformed. This causes Ivar's ego to crack and he suspects Freydis has fooled him. Ivar leaves the child out to die, turning Freydis against him. She shows Hvitserk, Bjorn and Harald a secret way through the walls, allowing them to storm Kattegat. As the city falls, she admits what she has done and Ivar strangles her to death.
- Played by Karima McAdams (season 5)
A Byzantine abbess. Loosely inspired by the historical Kassiani.
- Played by Adam Copeland (season 5–present)
A violent and bold patriarch of a large family. He is chosen by Floki for an expedition to set up a colony. Based on the legendary Ketill Flatnose.
- Played by Kris Holden-Ried (season 5)
A Viking of Kattegat who joins Floki's expedition to set up a colony. He quickly becomes disillusioned when arriving in Iceland and becomes antagonistic to Floki. His wife Rafarta's brother was killed by Kjetill's father, which also makes him antagonistic to Kjetill. After his son Bul is accidentally killed by Thorgrim, Thorgrim is found drowned. Floki believes Eyvind was responsible. Eventually Eyvind's daughter in law Thorunn vanishes. Rafarta claims Thorunn was suicidal, which is proven false when Floki produces her hidden body. Rafarta and Asbjorn are implicited as the murderes and Floki banishes Eyvind and his family from the colony. It's never made clear if Eyvind was in on Asbjorn's and Rafarta's plot. The family is ravaged by disease and weather and sends Helgi to fetch help. Helgi brings back Floki, Kjetill and Frodi, along with several of Kjetill's farmhands. The farmhands capture Floki at knifepoint as Kjetill and Frodi murders Eyvind and all of his family.
- Played by Leah McNamara (season 5)
Kjetill Flatnose and Ingvild's daughter, who joins Floki's expedition to set up a colony. Something of a surrogate daughter to Floki, she tries to mend piece between the feauding clans of Kjetill and Eyvind. She kills herself in Iceland after finding out Kjetill and her brother Frodi murdered Eyvind and his family.
Helgi the Lean
- Played by Jack McEvoy (season 5)
Eyvind and Rafarta's son, who joins Floki's expedition to set up a colony. He is killed by Kjetill.
- Played by Mei Bignall (season 5)
Kjetill Flatnose and Ingvild's daughter and Helgi's wife, who joins Floki's expedition to set up a colony. She is killed by Asbjorn.
- Played by Kelly Campbell (season 5–present)
Kjetill Flatnose's wife, who joins Floki's expedition to set up a colony.
- Played by James Craze (season 5)
Eyvind and Rafarta's son, who joins Floki's expedition to set up a colony. He is killed by Thorgrim.
- Played by Elijah Rowen (season 5)
Eyvind and Rafarta's son, who joins Floki's expedition to set up a colony. He is killed by Kjetill.
- Played by Rob Malone (season 5)
Kjetill Flatnose and Ingvild's son, who joins Floki's expedition to set up a colony. He mysteriously drowns in Iceland.
- Played by Scott Graham (season 5–present)
Kjetill Flatnose and Ingvild's son, who joins Floki's expedition to set up a colony. He assists Kjetill in massacring Eyvind and his family.
- Played by Tallulah Belle Earley (season 5)
Eyvind and Rafarta's daughter, who joins Floki's expedition to set up a colony. She is killed by Frodi.
- Played by Anthony Brophy (season 5)
A Sami chief and an ally to Lagertha. He is killed in battle. Loosely based on the legendary Sami king Svasi.
- Played by Dagny Backer Johnsen (season 5)
King Svase's daughter. She is killed in battle. Loosely based on the legendary Snæfrith, a lover of Harald Fairhair.
- Played by Malcolm Douglas (season 5)
An ealdorman of Wessex. He conspires with Prince Aethelred to overthrow King Alfred.
- Played by Róisín Murphy (season 5)
Mannel's daughter, Queen Judith's niece and King Alfred's wife.
- Played by Ragga Ragnars (season 5–present)
Jarl Olavsonn's wife. Harald becomes enamored with her, but after Olavsonn's death, she marries Bjorn Ironside instead. As his wife, she becomes queen of Kattegat.
- Played by Eve Connolly (seasons 5–6)
Hvitserk's love interest. Ivar has her burned after she implicates herself as a critic of Ivar's regime and denies his status as a god.
- Played by Ann Skelly (season 5)
Lord Cuthred's daughter and Prince Aethelred's wife.
King Olaf the Stout
- Played by Steven Berkoff (season 5–present)
A norweigan king who Ivar initially reaches out to in order to form an alliance. Hvitserk is sent to him to broker the deal, but Hvitserk instead ask Olaf to help him overthrow Ivar. The amused Olaf has Hvitserk inprisoned and tortured. When Hvitserk refuses to relent, the impressed Olaf agrees to attack Kattegat. After the battle, he declares Bjorn king of Kattegat. Harald is seriously injured in the battle and Olaf saves his life. However, Olaf also occupies his kingdom and keeps Harald as a prisoner.
- Played by Kristy Dawn Dinsmore (season 5–present)
A shieldmaiden in Harald's army.
- Played by Lucy Martin (season 6)
A slave serving Gunnhild and Bjorn in Kattegat.
- Played by Oran Glynn O'Donovan (season 6)
The son of Rurik and heir to Kievan Rus'. He is the ward of Oleg, who rules the kingdom in his name as regent. Igor fears Oleg, and has little love for Oleg's brothers Dir and Askold. However, he is aware that he can use Oleg as much as a puppet as Oleg uses him. Igor and Ivar quickly forms a bond and Igor seems much more fond of him than any of his blood relatives. Based on the historical Igor of Kiev.
The following is a list of named characters who have had a relatively relevant story arc on the series. They are listed in the order that they first appeared on the show.
- Eddie Drew (seasons 1 and 3) and André Eriksen (season 4) as Odin, appearing to Ragnar and his sons
- Gary Murphy as Bishop Unwan, serving at the court of King Aelle (seasons 1, 4)
- Carl Shaaban as Jesus, appearing to Athelstan and Ragnar (seasons 2–3)
- Søren Pilmark as Stender, a farmer who escaped Wessex after Aethelwulf's raid (seasons 3–4)
- Siggy (played by an uncredited infant actress), Þórunn and Bjorn's daughter (seasons 3–4)
- Conn Rogers as Canute, a member of King Olaf's court (seasons 5–6)
- Martin Maloney as Vigrid, one of Ivar's men (seasons 5–6)
- Eddie Elks as Olafur, a Viking warrior in the service of Earl Haraldson
- Jouko Ahola as Kauko, a Finnish Viking and one of Ragnar's warriors
- Eric Higgins as Knut Tjodolf, Earl Haraldson's half-brother
- Will Irvine as Brother Cenwulf, serving at the monastery of Lindisfarne
- Sam Lucas Smith as Edwin, a Saxon
- Jonathon Kemp as Lord Wigea, an advisor of King Aelle
- Peter Gaynor as Lord Edgar, an advisor of King Aelle
- Trevor Cooper as Earl Bjarni, Thyri's husband-to-be
- Angus MacInnes as Tostig, an old Viking warrior
- Morgan C. Jones as The Law Giver, the lawspeaker of Kattegat
- Duncan Lacroix as Ealdorman Werferth of Wessex, serving King Ecbert
- Richard Ashton as Thorvard, a Viking warrior loyal to King Horik
- Mark Huberman as Louis, a soldier in Paris
- Niall Cusack as Abbot Lupus, Rollo's teacher in Paris
- Charles Last as William, first son of Rollo and Gisla
- Charlie Kelly as Egil, an agent of King Harald
- Caitlin Scott as Princess Blaeja, Judith's sister
- Jack Nolan as Earl Jorgensen, a Swedish warlord, sacrificed to the gods by Lagertha to secure the victory against the Saxons.
- Sophie Vavasseur as Princess Ellisif, the former betrothed of King Harald
- Gary Buckley as Earl Vik, Princess Ellisif's husband
- Uncredited child actor as Marcellus, second son of Rollo and Gisla
- Uncredited child actress as Celsa, daughter of Rollo and Gisla
- Keith McErlean as Lord Denewulf, a nobleman in service of Bishop Heahmund
- Albano Jerónimo as Euphemius, a Byzantine commander, based on the historical Euphemius of Sicily
- Paul Reid as Mannel, Queen Judith's cousin
- Khaled Abol Naga as Ziyadat Allah, an Arab ruler. Based on the historical Ziyadat Allah I of Ifriqiya
- Damien Devaney as Wilfred, a nobleman and Princess Elsewith's steward
- Tomi May as Jarl Olavosonn, Ivar's commander in York
- Erik Madsen as King Hemming
- Markjan Winnick as King Angantyr
- Gavan Ó Connor Duffy as King Frodo
- Andrei Claude as Ganbaatar, Oleg's captain
- Lenn Kudrjawizki as Prince Dir, Oleg's brother
- Serena Kennedy as Anna, Dir's wife
The following is a list of named characters who appeared in just one episode of the series.
- Gerard McCarthy as Brondsted
- Billy Gibson as Ulf
- David Wilmot as Olaf Andwend
- Conor Madden as Eric Trygvasson, a Viking who is prosecuted in Kattegat by Earl Haraldson
- Cian Quinn as Olaf, son of Ingolf
- Craig Whittaker as Hakon
- Des Braiden as Father Cuthbert, in charge of the monastery of Lindisfarne
- Sebastiaan Vermeul Taback as Osiric
- David Murray as Lord Aethelwulf, the brother of King Aelle
- Sean Treacy as Prince Egbert, King Aelle and Queen Ealhswith's son
- James Flynn as Eadric
- David Michael Scott as Nils
- Anna Åström as Hild, a servant in Kattegat
- Jay Duffy as Ari, King Horik's second son
- Alan Devine as Ealdorman Eadric of Wessex, serving King Ecbert
- Edmund Kente as Bishop Swithern of Winchester. Based on the historical Swithun.
- Jens Christian Bushov Lund as Olrik
- Elizabeth Moynihan as Queen Gunnhild of Denmark, King Horik's wife
- Cillian O'Sullivan as Eirik, a Viking warrior in Paris, former second in command of Rollo. He is betrayed by him and killed by Franks.
- Robban Follin as Berserker, an assassin recruited by Erlendur and Kalf
- Declan Conlon as Lord Wigstan, a relative of Kwenthrith and head of the Royal Family of Mercia. Based on the semi-historical Wigstan.
- John Kavanagh as Pope Leo IV
- Adam McNamara as Thorhall, a Danish Viking
- Liam Clarke as Gudmund
- Ed Murphy as Gardar
- Jack Walsh as Scotus, loosely based on the historical John Scotus Eriugena
- Josh Donaldson as Hoskuld, a Viking warrior of great skill
- Tamaryn Payne as Widow Ordlaf, a lady of Sherborne
- India Mullen as Aethegyth, a noblewoman from Wessex
- Frank Prendergast as Bishop Cynebert of York
- Laurence O'Fuarain as Hakon, a whale hunter of Vestfold
- Bosco Hogan as the Lord Abbot of Lindisfarne
- Mabel Hurley as young Lagertha, appearing in a flashback
- Ross Matthew Anderson as Lagertha's father, appearing in a flashback
- Jamie Maclachlan as Aldwin
- Uncredited infant actor as Baldur, Ivar and Freydis's son.
- Blake Kubena as Prince Askold, Oleg's brother
Continuous lines signify a lineal descent and/or consanguinity, dashed lines signify a marriage, and dotted lines signify a sexual relationship.
Earl Haraldson, King Ragnar, King Horik, Emperor Charles, and King Harald's family tree
|Haraldson ✝||Siggy ✝||Horik ✝||Gunnhild ✝|
|? ✝||? ✝||Thyri ✝||Bjarni ✝||Erlendur ✝||Ari ✝|
|Charles||Kalf ✝||Astrid ✝||Harald||Halfdan ✝|
|Gisla||Rollo||Lagertha||Ragnar ✝||Aslaug ✝||Harbard|
|Svase ✝||Gyda ✝||Þórunn||Bjorn||Torvi||Borg ✝|
|Snaefrid ✝||Hali||Asa||Guthrum ✝|
|William||Marcellus||Celsa||Margrethe ✝||Ubbe||Hvitserk||Sigurd ✝|
|Thora ✝||Ivar||Freydis ✝|
King Ecbert and King Aelle's family tree
|Ecbert ✝||Ealhswith||Aelle ✝||Aethelwulf ✝|
|Aethelwulf ✝||Judith ✝||Athelstan ✝||Blaeja||Egbert||Mannel ✝|
Queen Kwenthrith's family tree
|Offa ✝||Brihtwulf ✝||Wigstan|
|Kenelm ✝||Burgred ✝||Kwenthrith ✝||Ragnar ✝|
- "VIKINGS Tops The Ratings With 8.3 Million Viewers". Irish Film Board. 5 March 2013. Archived from the original on 7 April 2013. Retrieved 14 March 2013.
- "Iceland to play a big role in fifth season of the History channel TV series Vikings". Iceland Magazine. 3 March 2017. Retrieved 3 December 2017.
- Tsoumbakos, Rachel (January 10, 2017). "'VIKINGS,' SEASON 5: JONATHAN RHYS MEYERS ROLE IS FINALLY REVEALED". Inquisitr.com. Retrieved January 12, 2017.
- Gunnar Larsen (17 October 2012). "Thorbjørn Harr blir viking i amerikansk TV-serie | ABC Nyheter". Abcnyheter.no. Archived from the original on 27 November 2012. Retrieved 6 January 2013.
- Yeo, Debra. Mr. Hockey, Gordie Howe, plays again in CBC-TV movie, Toronto Star, 28 April 2013. Accessed 5 January 2014.
- Lewis, Dymon (17 March 2014). "'Vikings' Review/Recap: 'Treachery'". Emertainment Monthly. Archived from the original on 17 March 2014.
- "'Hercules' Actress Gaia Weiss Joins History's 'Vikings'". Starpulse. Retrieved 14 April 2014.
- "'Red Rock' actor Darren Cahill joins 'Vikings' Season 5". The Irish Film & Television Network.