John Colicos (December 10, 1928 - March 6, 2000) was a Canadian actor, primarily active in theatre and television. He was well known for his Large Ham villainous roles, and is famous in sci-fi circles for playing Kor, the first officially named Klingon to appear in the Star Trek franchise, and as Count Baltar in Battlestar Galactica (1978).
Film roles:
- Anne of the Thousand Days (1969) as Thomas Cromwell
- Breaking Point (1976) as Vincent Karbone
- The Changeling (1980) as Capt. DeWitt
- The Postman Always Rings Twice (1981) as Nick Papadakis
Television roles:
- The Taming of the Shrew (1956) as Lucentio
- Star Trek: The Original Series (1967) as Kor
- Star Trek: Deep Space Nine (1994 - 1998)
- Mission: Impossible (1967 - 1970) as Chief of Internal Security Manuel Ferrar / Milos Kuro / Commissioner Taal Jankowski
- Mannix (1967 - 1974) as Dr. Myles Considine / Lytell / Duke Benedict / Alton K. Moore / David Barker / Eddie Lee Prentiss
- It Takes a Thief (1970) as The Man
- Hawaii Five-O (1970, 1975) as Mr. Thorncrest / Lorenzo Corman
- Night Gallery (1971) as Survivor
- Longstreet (1972) as Arnold Zaduck
- The Starlost (1973) as The Governor
- The Magician (1974) as Paul Gunther
- Gunsmoke (1975) as Judge Flood
- Petrocelli (1975) as Dmitri
- Harry O (1975) as Walter Nesbitt
- Wonder Woman (1977) as Ambassador Orrick
- Switch (1978) as Gilchrist
- Quincy, M.E. (1978) as Harlan Standish
- The Six Million Dollar Man (1978) as General Norbukov
- The Hardy Boys/Nancy Drew Mysteries (1978) as Col. L. Morbius
- Battlestar Galactica (1978 - 1979) as Count Baltar
- Charlie's Angels (1979) as Anton Karazna
- Vegas (1979) as Dr. Victor Durrand
- General Hospital as Mikkos Cassadine (1981) and Petros Cassadine (1985)
- Scarecrow and Mrs. King (1984) as Ilya Kreschenko
- Street Legal (1987) as Farraday
- Alfred Hitchcock Presents (1987 - 1989) as Lestrade / Moriarty / Carter Talbot
- War of the Worlds (1989) as Quinn
- X-Men: The Animated Series (1992 - 1995) as Apocalypse
- The Last Don (1997) as Eli Marrion