1999
Battlestar Galactica: The Second Coming as Baltar1998
The Windsor Protocol as Gerhardt Heinzer / Albert Greenfield1998
My Father's Shadow: The Sam Sheppard Story as Richard Eberle1997
The Last Don as Eli Marrion1995
No Contest as Senator Donald Wilson1993
Star Trek: Deep Space Nine as Kor1992
X-Men as Apocalypse (voice)1990
In Defense of a Married Man as Charles Evers1989
Love and Hate: The Story of Colin and Joanne Thatcher as Serge Kujawa1988
War of the Worlds as Quinn1988
Shadow Dancing as Anthony Podopolis1987
Nowhere to Hide as General Howard1985
The New Alfred Hitchcock Presents as Carter Talbot1985
The New Alfred Hitchcock Presents as Lestrade / Moriarty1983
Scarecrow and Mrs. King as Not available1983
The Hitchhiker as Mr. Stregga1983
American Caesar as Self - Narrator1981
The Postman Always Rings Twice as Nick Papadakis1980
The Changeling as Captain DeWitt1980
Conquest of the Earth as Baltar1980
Phobia as Inspector Barnes1980
The Starlost: The Beginning as The Governor1979
Mission Galactica: The Cylon Attack as Baltar1979
King Solomon's Treasure as Allan Quatermain1979
The Paradise Connection as Maj. Derek Barclay-Battles1978
Vega$ as Not available1978
Battlestar Galactica as Count Baltar1978
Battlestar Galactica as Baltar1978
The Bastard as Lord North1977
The Hardy Boys / Nancy Drew Mysteries as Not available1976
Quincy, M.E. as Not available1976
Charlie's Angels as Anton Karazna1976
Drum as Bernard DeMarigny1976
Breaking Point as Vincent Karbone1976
The Whiz Kid and the Carnival Caper as Moroni1975
Switch as Gilchrist1975
Bronk as Not available1975
Wonder Woman as Ambassador Orrick1975
The Hecklers as Narrator1975
A Matter of Wife... and Death as Joe Ruby1974
The Six Million Dollar Man as General Norbukov1974
Petrocelli as Not available1974
Harry O as Walter Nesbitt1974
The National Dream as Cornelius Van Horne1973
The Starlost as The Governor1973
The Magician as Paul Gunther1973
Scorpio as McLeod1973
Tennessee Williams' South as Not available1973
Portrait: A Man Whose Name Was John as Numan Menemengioglu1972
The Wrath of God as Col. Santilla1971
Raid on Rommel as Sgt. Maj. Allan MacKenzie1971
Doctors' Wives as Mort Dellman1971
Goodbye, Raggedy Ann as Paul Jamison1971
Red Sky at Morning as Jimbob Buel1970
Night Gallery as Survivor (segment "Lone Survivor")1970
The Young Rebels as Not available1969
Medical Center as Not available1969
Medical Center as Harry Weldman1969
Then Came Bronson as Not available1969
Anne of the Thousand Days as Cromwell1968
Hawaii Five-O as Lorenzo Corman1968
Hawaii Five-O as Mr. Thorncrest1968
The Name of the Game as Rafael1968
It Takes a Thief as The Man1967
The High Chaparral as Matthew Kendall1967
Mannix as Eddie Lee Prentiss1967
Mannix as Dr. Myles Considine1967
Mannix as Lytell1967
Mannix as David Barker1967
Mannix as Alton K. Moore1967
Mannix as Duke Benedict1966
Star Trek as Kor1966
Mission: Impossible as Chief of Internal Security Manuel Ferrar1966
Mission: Impossible as Commissioner Taal Jankowski1966
Mission: Impossible as Milos Kuro1965
The F.B.I. as Logan1965
Les ludions as Not available1964
Profiles in Courage as Patrick Henry1961
The Defenders as District Attorney1958
Wuthering Heights as Hindley1957
War Drums as Chino1956
Breakaway as First Kidnapper1956
Passport to Treason as Pietro1956
Bond of Fear as Dewar1955
Gunsmoke as Judge Flood1955
Barbados Quest as Mustachioed Henchman (as John Collicos)1954
The Wonderful World of Disney as Moroni1952
Omnibus as Gen. George McClellan1951
Hallmark Hall of Fame as Lucentio1951
Hallmark Hall of Fame as Tom Pettigrew1951
Hallmark Hall of Fame as Comte de Guiche1948
Studio One as Gold Root