2004Broadway's Lost Treasures II— Don Quixote (segment "Man Of La Mancha")
2003Hugh Hefner: American Playboy— Narrator (voice)
2002The Men Who Made the Movies: Samuel Fuller— Joey (archive footage)
2001Heroes of Horror— Narrator
1999Blue Moon— Jimmy Keating
1998Patch Adams— Dr. Titan
1998The Gates of Jerusalem: A History of the Holy City— Host
1997Audrey Hepburn: The Fairest Lady— Narrator
1997Wolves at Our Door— Narrator
1997Henry Fonda: Hollywood's Quiet Hero— Self
1997Tigers of the Snow— Narrator (voice)
1997The Sonoran Desert: A Violent Eden— Narrator (voice)
1997Vincent Price: The Versatile Villain— Narrator
1997Time to Say Goodbye?— Dr. Gerald Klooster
1996Mucize— Dr. Wellin
1996Peter Lorre: The Master of Menace— Self - Narrator (voice)
1996The Rockford Files: Punishment and Crime— Frank Dougherty
1996Mary & Tim— Ron Melville
1995Darryl F. Zanuck: 20th Century Filmmaker— Narrator
199530 Years of National Geographic Specials— Self - Narrator
1995Secrets— Dr. Will Berter
1995Lon Chaney: Son of a Thousand Faces— Narrator
1994A Passion for Justice: The Hazel Brannon Smith Story— Earl Clayburn
1993The Visual Bible: Matthew— Matthew
1993Jurassic Park— Jurassic Park Tour Voice (voice)
1992Mastergate— Archer Bowman
1992Giant Bears of Kodiak Island— Narrator
1992Mysteries Underground— Self - Narrator
1991Separate but Equal— Chief Justice Earl Warren
1991National Geographic: Splendid Stones— Narrator
1991Absolute Strangers— Dr. RJ Cannon
1990Gunsmoke: The Last Apache— Chalk Brighton
1990Aladdin— The Magician
1990Bali: Masterpiece of the Gods
1989The Final Days— J. Fred Buzhardt
1989To The Limit— Narrator
1988Australia's Aborigines— Narrator
1988National Geographic: White Wolf— Narrator (voice)
1988Cary Grant: A Celebration of a Leading Man— Narrator
1988My First Love— Sam Morrissey
1988Australia's Twilight Of The Dreamtime— Narrator
1987Lions of the African Night
1987Grace Kelly: The American Princess— Narrator (voice)
1987Treasures From The Past— Himself - Narrator
1986The Adventures of Huckleberry Finn— Col. Grangerford
1986Ördek Howard— The Cosmos (voice)
1985The Bad Seed— Richard Bravo
1985The Canterville Ghost— Sir Simon De Canterville
1985Ballad of the Irish Horse— Narrator (voice)
1985Do You Remember Love— George Hollis
1983Starfest: The Stars Salute Public Television 1983
1982Pray TV— Rev. Gus Keiffer
1982Night of 100 Stars— Self
1981Sonsuz Aşk— Arthur
1981Isabel's Choice— Lyman Jones
1981Golden Gate— Thomas J. Kingsley
1981Some Call Them ... Freaks— Host (Self)
1980Omzumdaki Melek— Nick
1979The New Media Bible: The Gospel According to St. Luke— Narrator/St. Luke
1977Looking for Mr. Goodbar— Mr. Dunn
1976The Macahans— Timothy Macahan
1975Friendly Persuasion— Jess Birdwell
1974Küçük Prens— The Pilot
1974Give Me Liberty— Robertson
1972Jigsaw— DA Dan Bellington
1971Murder Once Removed— Frank Manning
1971All the Way Home— Jay Follet
1971Incident in San Francisco— Robert Harmon
1971The Swan Song— Theatre Actor
1970a.k.a. Cassius Clay— Self
1970The Ceremony of Innocence— King Ethelred
1969Pendulum— Woodrow Wilson King
1969Night Gallery— SS-Gruppenführer Helmut Arndt / Josef Strobe
1958The Power of the Resurrection— Peter
1957Spanish Affair— Merritt Blake
1957Homeward Borne— Bob Lyttleton
1955Blackboard Jungle— Joshua Y. Edwards
1955The Phenix City Story— John Patterson
1955Patterns— Fred Staples
1953Kuzey Caddesindeki Pikap— Joey
1952The Sniper— James G. Kent
1952Eight Iron Men— Pvt. Coke
1951The Mob— Tom Clancy
—National Geographic's Rain Forest— Self - Narrator
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