Actor (151 credits)
- The Oscars (2017) играет самого себя, хроника, not listed in credits
- Eurocrime! The Italian Cop and Gangster Films That Ruled the '70s (2012) играет самого себя, хроника
- Edición Especial Coleccionista (2010) Yves Perret, хроника, not listed in credits
- Deux de la Vague (2010) играет самого себя, хроника
- How the West Was Lost (2008) Jack Wilson, хроника, not listed in credits
- The 79th Annual Academy Awards (2007) играет самого себя - In Memoriam Tribute, хроника
- Back When We Were Grownups (2004) Paul «Poppy» Davitch
- The 75th Annual Academy Awards (2003) играет самого себя - Past Winner
- Go West, Young Man! (2003) играет самого себя, хроника, not listed in credits
- Living with the Dead (2002) Allan Van Praagh
- From Russia to Hollywood: The 100-Year Odyssey of Chekhov and Shdanoff (2002) играет самого себя
- Night Visions (2001) Jake Jennings
- Prancer Returns (2001) Old Man Richards
- Hollywood Remembers Lee Marvin (2000) Roy Earle / Roy Collins, хроника, not listed in credits
- Sarah, Plain and Tall: Winter's End (1999) John Witting
- Joe D'Amato Totally Uncut (1999) хроника
- Treasure Island (1999)
- The 70th Annual Academy Awards (1998) играет самого себя - Past Winner, not listed in credits
- Ebenezer (1998) Ebenezer Scrooge
- I'll Be Home for Christmas (1997) Bob
- War Games (1996) играет самого себя - рассказчик
- Buffalo Girls (1995) Bartle Bone
- Twilight Zone: Rod Serling's Lost Classics (1994) Dr. Jeremy Wheaton (segment 'Where the Dead Are')
- Cops and Robbersons (1994)
- City Slickers II: The Legend of Curly's Gold (1994) Duke Washburn
- The Swan Princess (1994) Lord Rothbart
- The 65th Annual Academy Awards (1993) играет самого себя - презентатор: Best Actress in a Supporting Role & Pulling Billy Crystal on giant Oscar
- The Making of «...And God Spoke» (1993) играет самого себя [at the Academy Awards Ceremony], хроника
- Cyborg 2: Glass Shadow (1993) Mercy
- The 64th Annual Academy Awards (1992)
- The 49th Annual Golden Globe Awards (1992) играет самого себя - победитель: Best Actor in a Supporting Role in a Motion Picture
- Eli's Lesson (1992) Old Pilot
- Legends of the West (1992) Judge Roy Bean
- Keep the Change (1992) Overstreet
- Horror of the Hungry Humongous Hungan (1991) Opening Narration, voice acting
- City Slickers (1991) Curly
- One on One with John Tesh (1991) играет самого себя
- Solar Crisis (1990) Travis
- Tango & Cash (1989) Yves Perret
- Batman (1989) Carl Grissom
- Outlaw of Gor (1988) Xenos
- Young Guns (1988) Lawrence G. Murphy
- Imagine: John Lennon (1988) играет самого себя
- Gor (1987) Xenos
- Out of Rosenheim (1987) Rudi Cox
- The 56th Annual Academy Awards (1984) играет самого себя - презентатор: Best Documentary Short and Best Documentary Feature
- George Stevens: A Filmmaker's Journey (1984) играет самого себя, хроника
- Hollywood Out-takes and Rare Footage (1983) играет самого себя, хроника, not listed in credits
- Alone in the Dark (1982)
- Ripley's Believe It or Not! (1981) играет самого себя - ведущий
- Evil Stalks This House (1981) Stokes
- The Golden Moment: An Olympic Love Story (1980) Whitey Robinson
- The Ivory Ape (1980) Marc Kazarian
- Hawk the Slayer (1980) Voltan
- The Shape of Things to Come (1979) Omus
- Portrait of a Hitman (1979) Jim Buck
- The Last Ride of the Dalton Gang (1979) Will Smith
- Buck Rogers in the 25th Century (1979)
- Angels' Brigade (1979) Mike Farrell
- Cocaine Cowboys (1979) Raphael
- Unknown Powers (1978) играет самого себя - ведущий
- The One Man Jury (1978) Lt. Wade
- Welcome to Blood City (1977) Sheriff Friedlander
- Africa Express (1976) Robert Preston / Willaim Hunter
- Diamante Lobo (1976) Sam Clayton
- Safari Express (1976) van Daalen
- Sangue di sbirro (1976) Duke
- Squadra antiscippo (1976) Norman Shelley / Richard J. Russo
- I padroni della città (1976) «Scarface» Manzari
- Eva nera (1976) Judas Carmichael
- The Four Deuces (1975) Vic Morono, the Boss
- Bronk (1975)
- Il richiamo del lupo (1975) William Bates
- The Hatfields and the McCoys (1975) Devil Anse Hatfield
- L'infermiera (1975) Mr. Kitch
- Craze (1974) Neal Mottram
- The Godchild (1974) Rourke
- Dracula (1974) Dracula
- Oklahoma Crude (1973) Hellman
- Blu Gang e vissero per sempre felici e ammazzati (1973) Hillman
- Imagine (1972) играет самого себя
- Tedeum (1972) Buck Santini
- Chato's Land (1972) Capt. Quincey Whitmore
- Si può fare... amigo (1972) Sonny Bronston
- And So Ends (1972) рассказчик
- The Horsemen (1971) Tursen
- The Sonny and Cher Comedy Hour (1971) играет самого себя
- The McMasters (1970) Kolby
- Vamos a matar, compañeros (1970)
- Monte Walsh (1970) Chet Rollins
- The Desperados (1969) Parson Josiah Galt
- Che! (1969) Fidel Castro
- Hora cero: Operación Rommel (1969) Major John Heston
- Allen Ludden's Gallery (1969) играет самого себя
- Marquis de Sade: Justine (1969)
- La legione dei dannati (1969)
- Flash 30 (1968) играет самого себя
- The Strange Case of Dr. Jekyll and Mr. Hyde (1968) Dr. Henry Jekyll / Mr. Edward Hyde
- Las Vegas, 500 millones (1968) Douglas
- Madigan's Millions (1968) Matteo Cirini, voice acting, not listed in credits
- Il mercenario (1968)
- Torture Garden (1967)
- Kill a Dragon (1967) Rick Masters
- The Spy in the Green Hat (1967) Louis Strago
- The Carol Burnett Show (1967) играет самого себя
- The Pat Boone Show (1967) играет самого себя
- The Professionals (1966) Raza
- Alice Through the Looking Glass (1966) Jabberwock
- National Geographic Specials (1965) играет самого себя - рассказчик
- Once a Thief (1965) Walter Pedak
- The Man from U.N.C.L.E. (1964) Louis Strago
- Begegnung mit Fritz Lang (1964) играет самого себя
- NET Playhouse (1964) President Andrew Jackson
- Bardot et Godard (1964) играет самого себя
- Paparazzi (1964) играет самого себя, not listed in credits
- The Greatest Show on Earth (1963)
- Le mépris (1963) Jeremy Prokosch
- La guerra continua (1962) Jack
- Il criminale (1962) Herr Bauer / Schneider
- Password (1961) играет самого себя
- Rosmunda e Alboino (1961) Alboino
- I mongoli (1961) Ogatai
- Il giudizio universale (1961) Matteoni
- Barabbas (1961) Torvald
- Austerlitz (1960) General Weirother
- The Barbarians (1960) Revak
- Flor de mayo (1959) Jim Gatsby
- Ten Seconds to Hell (1959) Eric Koertner
- The Man Inside (1958) Milo March
- House of Numbers (1957)
- The Lonely Man (1957)
- Attack (1956) Lt. Joe Costa, Fox Co.
- Playhouse 90 (1956) Harlan «Mountain» McClintock
- The Big Knife (1955) Charles Castle
- I Died a Thousand Times (1955)
- Kiss of Fire (1955)
- Sign of the Pagan (1954)
- The Silver Chalice (1954)
- Second Chance (1953) Cappy Gordon
- Arrowhead (1953)
- Flight to Tangier (1953) Gil Walker
- Shane (1953) Jack Wilson
- Man in the Attic (1953)
- Sudden Fear (1952)
- The Gulf Playhouse (1952)
- Panic in the Streets (1950) Blackie
- Halls of Montezuma (1950) Pigeon Lane
- Your Show of Shows (1950) играет самого себя - гость Performer
- The Web (1950)
- Danger (1950)
- Lights Out (1946)
Director (1 credits)
