Filmografía
Películas
-
Battlestar Galactica: The Second Coming
Baltar1999 -
My Father's Shadow: The Sam Sheppard Story
Richard Eberle1998 -
The Windsor Protocol
Gerhardt Heinzer / Albert Greenfield1998 -
No Contest
Senator Donald Wilson1995 -
In Defense of a Married Man
Charles Evers1990 -
Love and Hate: The Story of Colin and Joanne Thatcher
Serge Kujawa1989 -
Shadow Dancing
Anthony Podopolis1988 -
Nowhere to Hide
General Howard1987 -
American Caesar
Self - Narrator1983 -
El cartero llama dos veces
Nick Papadakis1981 -
Conquest of the Earth
Baltar1980 -
Phobia
Inspector Barnes1980 -
El intermediario del diablo
Captain DeWitt1980 -
The Starlost: The Beginning
The Governor1980 -
The Paradise Connection
Maj. Derek Barclay-Battles1979 -
Mission Galactica: The Cylon Attack
Baltar1979 -
King Solomon's Treasure
Allan Quatermain1979 -
Battlestar Galactica
Baltar1978 -
The Bastard
Lord North1978 -
Drum
Bernard DeMarigny1976 -
Explosión de violencia
Vincent Karbone1976 -
The Whiz Kid and the Carnival Caper
Moroni1976 -
A Matter of Wife... and Death
Joe Ruby1975 -
The Hecklers
Narrator1975 -
Portrait: A Man Whose Name Was John
Numan Menemengioglu1973 -
Scorpio
McLeod1973 -
Tennessee Williams' South
1973 -
La ira divina
Col. Santilla1972 -
Goodbye, Raggedy Ann
Paul Jamison1971 -
Red Sky at Morning
Jimbob Buel1971 -
Raid on Rommel
Sgt. Maj. Allan MacKenzie1971 -
Doctors' Wives
Mort Dellman1971 -
Ana de los mil días
Cromwell1969 -
Les ludions
1965 -
Wuthering Heights
Hindley1958 -
Tambores de Guerra
Chino1957 -
Breakaway
First Kidnapper1956 -
Bond of Fear
Dewar1956 -
Passport to Treason
Pietro1956 -
Barbados Quest
Mustachioed Henchman (as John Collicos)1955
Series
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The Last Don
Eli Marrion1997 -
Viaje a las estrellas: Espacio Profundo Nueve
Kor1993 -
X-Men
Apocalypse (voice)1992 -
War of the Worlds
Quinn1988 -
The New Alfred Hitchcock Presents
Carter Talbot1985 -
The New Alfred Hitchcock Presents
Lestrade / Moriarty1985
-
The Hitchhiker
Mr. Stregga1983 -
Scarecrow and Mrs. King
1983 -
Vega$
1978 -
Battlestar Galactica
Count Baltar1978 -
The Hardy Boys / Nancy Drew Mysteries
1977 -
Quincy, M.E.
1976 -
Los ángeles de Charlie
Anton Karazna1976 -
La mujer maravilla
Ambassador Orrick1975 -
Switch
Gilchrist1975 -
Bronk
1975 -
Harry O
1974 -
Petrocelli
1974 -
The National Dream
Cornelius Van Horne1974 -
El Hombre Nuclear
General Norbukov1974 -
The Magician
Paul Gunther1973 -
The Starlost
The Governor1973 -
La Galería Nocturna
Survivor (segment "Lone Survivor")1970 -
The Young Rebels
1970 -
Medical Center
1969 -
Medical Center
Harry Weldman1969
-
Then Came Bronson
1969 -
Hawaii 5-0
Lorenzo Corman1968 -
The Name of the Game
Rafael1968 -
Hawaii 5-0
Mr. Thorncrest1968
-
Ladrón sin destino
The Man1968 -
Mannix
Eddie Lee Prentiss1967 -
Mannix
Dr. Myles Considine1967
-
Mannix
Lytell1967
-
Mannix
David Barker1967
-
Mannix
Alton K. Moore1967
-
Mannix
Duke Benedict1967
-
El Gran Chaparral
Matthew Kendall1967 -
Mission: Impossible
Chief of Internal Security Manuel Ferrar1966 -
Mission: Impossible
Commissioner Taal Jankowski1966
-
Mission: Impossible
Milos Kuro1966
-
Viaje a las estrellas
Kor1966 -
El F.B.I. en Acción
Logan1965 -
Profiles in Courage
Patrick Henry1964 -
The Defenders
District Attorney1961 -
Gunsmoke
Judge Flood1955 -
The Wonderful World of Disney
Moroni1954 -
Hallmark Hall of Fame
Lucentio1951 -
Hallmark Hall of Fame
Tom Pettigrew1951
-
Hallmark Hall of Fame
Comte de Guiche1951
-
Studio One
Gold Root1948