From 1975–2012, he appeared in many English language US and UK television and film productions. One of his early roles was Kaiser Wilhelm II in Michael York's adventure film The Riddle of the Sands. One of his most well-known roles was that of Dietrich in Raiders of the Lost Ark.
His voice also appeared in video games including as Kaiser Vlad in Battalion Wars. Kahler played the Prince of Tübingen in Stanley Kubrick's 1975 film, Barry Lyndon. In 2001 he portrayed a Wehrmacht General in the World War II TV miniseries, Band of Brothers. In the 1982 Clint Eastwood spy thriller Firefox, he played KGB chairman Yuri Andropov. In 2011 Kahler appeared as Dr. Hoffmanstahl in Sherlock Holmes: A Game of Shadows.. In 2017 he appeared as a German Commander in the Warner Bros./DCEU film Wonder Woman.
- Barry Lyndon (1975) - Prince of Tübingen
- The Eagle Has Landed (1976) - SS Hauptsturmführer Fleischer (uncredited)
- March or Die (1977) - First German
- Force 10 from Navarone (1978) - German Soldier at Supply Dump
- The Boys from Brazil (1978) - Schwimmer
- The Riddle of the Sands (1979) - Kaiser Wilhelm II
- The Lady Vanishes (1979) - Helmut von Reider
- Rough Cut (1980) - De Gooyer
- The Sea Wolves (1980) - Trompeta
- At the Fountainhead (1981) - Wolfgang Leonhard
- Raiders of the Lost Ark (1981) - Col. Herman Dietrich
- Priest of Love (1981) - German Officer
- Firefox (1982) - KGB Chairman Andropov
- Remembrance (1982) - Dutch Matelot
- High Road to China (1983) - Von Hess
- Ascendancy (1983) - Muller
- The Keep (1983) - SS Adjutant
- A Zed & Two Noughts (1985) - Felipe Arc-en-Ciel
- The Bourne Identity (1988) - Gold Glasses
- Shining Through (1992) - Border Commandant
- The Remains of the Day (1993) - German Ambassador
- Backbeat (1994) - Bert Kaempfert
- Loch Ness (1996) - Dr. Muller
- Firelight (1997) - Sussman
- Britannic (2000) - Captain Kruger
- The Lost Battalion (2001) - General Von Sybel
- Charlotte Gray (2001) - Oberleutenant Lindermann
- Bridget Jones: The Edge of Reason (2004) - Commentator
- Haber (2008) - Ludendorff
- Shanghai (2010) - German Consul
- Sherlock Holmes: A Game of Shadows (2011) - Dr. Hoffmanstahl
- Full Firearms (2012) - Adam
- Cockneys vs Zombies (2012) - Nazi Officer
- Wonder Woman (2017) - German Commander
- The Sandbaggers (1980) - Lincke
- The Secret Adversary (1982) - The German
- The Adventures of Sherlock Holmes (1984) - King of Bohemia
- Space (1985) - Funkhauser
- The Dirty Dozen: Next Mission (1985) - General Sepp Dietrich
- The Dirty Dozen: The Deadly Mission (1987) - Colonel Krieger
- A Perfect Spy (1987) - Lieutenant Dollendorf
- War and Remembrance (1988) - SS Major Anton Burger
- The Young Indiana Jones Chronicles (1992) - German Second at Duel
- Soldier Soldier (1993) - Doctor Heller
- Kavanagh QC (1999) - Dieter Klausen
- Dalziel and Pascoe (2000) - Jurgen Falke
- Band of Brothers (2001) - German General
- Red Cap (2001) - General Joachim Ulmke
- London (2004) - German Traveller
- The Girl in the Café (2005) (TV) - Herr Gerhardt
- The Somme - From Defeat to Victory (2006) - General von Plessen
- George Gently - Bomber's Moon (2008) - Gunter Schmeikel
- Fleming: The Man Who Would Be Bond (2014) - Admiral Brandel
- Metal Gear Solid (1998) - Donald Anderson, Revolver Ocelot, Jim Houseman (German dub)
- Syphon Filter (1999) - Thomas Markinson (German dub)
- Tomb Raider: The Angel of Darkness (2003) - Grant Muller
- Half-Life 2 (2004) - Dr. Wallace Breen (German dub)
- Battalion Wars (2005) - Kaiser Vlad
- Battalion Wars 2 (2007) - Kaiser Vlad, Lord Ferrok
- Crysis 2 (2011) - Karl Ernst Rasch (German & English dub)
- Crysis 3 (2013) - Karl Ernst Rasch (German & English dub)
- Company of Heroes 2 (2013) - German Announcer
The Scarlet Pimpernel of the Vatican was first broadcast in 2006 on BBC Radio4. He played Herbert Kappler. This was a drama by Robin Glendinning: a Nazi war criminal is befriended by a Vatican priest in his cell, based on the real-life adventures of Monsignor Hugh O'Flaherty.
- "Wolf Kahler - Theatricalia". theatricalia.com.
- "Wolf Kahler". The New York Times.
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- "Wolf Kahler - Movies and Filmography - AllMovie". AllMovie.
- "The Riddle of the Sands (1978)".
- "Wolf Kahler - Harvey Voices".
- "Barry Lyndon (1975) - Stanley Kubrick - Cast and Crew - AllMovie". AllMovie.
- "Wolf Kahler". www.aveleyman.com.
- "Wolf Kahler - TV Guide". TVGuide.com.
- "The Scarlet Pimpernel of the Vatican". Imperial War Museums.
- "Afternoon May: The Scarlet Pimpernel of the Vatican - BBC Radio 4 FM - 30 November 2006 - BBC Genome". genome.ch.bbc.co.uk.