Oscar Quitak (born 10 March 1926) is a British stage, film and television actor. His stage work includes roles at the Old Vic and the National Theatre; as well as the original West End and Broadway productions of the musical Pickwick, in 1963 and 1965. His television credits include: Z-Cars, Man in a Suitcase, Doomwatch, Ace of Wands, Colditz, The Changes, The New Avengers, Open All Hours, Kessler as Josef Mengele, Chessgame, Howards' Way, A Very British Coup, Yes, Prime Minister, Saracen, Lovejoy and Telltale. He lives with his wife, the actress Andrée Melly, on Ibiza.
- The Guinea Pig (1948) - David Tracey
- It's Hard to Be Good (1948) - Man in Town Hall (uncredited)
- Cairo Road (1950) - Bedouin Boy
- The Dark Man (1951) - 2nd Reporter
- Hell Is Sold Out (1951) - Jacques, waiter
- So Little Time (1952) - Gerard
- Something Money Can't Buy (1952) - 2nd Assistant director
- Top of the Form (1953) - Septimus
- The Crowded Day (1954) - Youth
- The Colditz Story (1955) - Prisoner of War (uncredited)
- The Prisoner (1955) - Cafe Waiter (uncredited)
- Zarak (1956) - Youssuff
- Town on Trial (1957) - David
- The Traitor (1957) - Thomas Rilke
- The Revenge of Frankenstein (1958) - Dwarf
- Operation Amsterdam (1959) - Diamond Merchant
- Red Monarch (1983) - Mekhlis
- Bloodbath at the House of Death (1984) - Doctor
- Brazil (1985) - Interview Official
- Tangiers (1985) - Velatti
- Code Name: Emerald (1985) - Army Doctor
- Yes, Prime Minister (1986) - Chief Scientific Advisor
- A Very British Coup (1988) - Government Chief Scientific Adviser
- "Oscar Quitak – Broadway Cast & Staff | IBDB". www.ibdb.com.
- "Oscar Quitak". BFI. Retrieved 21 May 2015.
- "Oscar Quitak | Theatricalia". theatricalia.com.
- "Pickwick - 1963 Original London Cast" – via castalbums.org.
- "Pickwick – Broadway Musical – Original | IBDB". www.ibdb.com.
- "Oscar Quitak". www.aveleyman.com.
- Cotter, Robert Michael “Bobb” (January 10, 2014). "The Women of Hammer Horror: A Biographical Dictionary and Filmography". McFarland – via Google Books.