1997

(1 episode) as Eli Marrion

1993

(3 episodes) as Kor

1992

(9 episodes) as Apocalypse (voice)

1988

(2 episodes) as Quinn

1985

(1 episode) as Lestrade / Moriarty (1 episode) as Carter Talbot

1983		The Hitchhiker (1 episode) as Mr. Stregga
1983		Scarecrow and Mrs. King (1 episode)

1978		Vega$ (1 episode)
1978		Battlestar Galactica (22 episodes) as Count Baltar

1977

(1 episode)

1976		Quincy, M.E. (1 episode)
1976		Charlie's Angels (1 episode) as Anton Karazna

1975		Wonder Woman (1 episode) as Ambassador Orrick
1975		Switch (1 episode) as Gilchrist
1975		Bronk (1 episode)

1974		Harry O (1 episode)
1974		Petrocelli (1 episode)
1974		The National Dream (7 episodes) as Cornelius Van Horne
1974		The Six Million Dollar Man (1 episode) as General Norbukov

1973

(2 episodes) as Paul Gunther

1970		Night Gallery (1 episode) as Survivor (segment "Lone Survivor")
1970		The Young Rebels (1 episode)

1969		Medical Center (2 episodes)
1969		Then Came Bronson (1 episode)

1968		The Name of the Game (1 episode) as Rafael
1968		Hawaii Five-O (1 episode) as Mr. Thorncrest (1 episode) as Lorenzo Corman
1968		It Takes a Thief (1 episode) as The Man

1967		Mannix (1 episode) as Dr. Myles Considine (6 episodes) as Eddie Lee Prentiss
1967		The High Chaparral (1 episode) as Matthew Kendall

1966		Mission: Impossible (1 episode) as Milos Kuro (1 episode) as Commissioner Taal Jankowski (1 episode) as Chief of Internal Security Manuel Ferrar
1966		Star Trek (1 episode) as Kor

1965

(1 episode) as Logan

1964

(2 episodes) as Patrick Henry

1961

(1 episode) as District Attorney

1955

(1 episode) as Judge Flood

1954

(2 episodes) as Moroni

1951

(1 episode) as Comte de Guiche (1 episode) as Tom Pettigrew (1 episode) as Lucentio

1948

(1 episode) as Gold Root