Actor (82 credits)
- Fahrenheit 451 (2018) Historian
- Valley of the Gods (2018) Ulim
- The Path (2016) Dr. Steven Meyer
- Gentleman Gothic: Gordon Hessler at American International Pictures (2015) Marquis de Sade, хроника, not listed in credits
- Infinitely Polar Bear (2014) Murray Stuart
- The Real History of Science Fiction (2014) играет самого себя
- Space Station 76 (2014) Mr. Marlowe
- Isn't It Delicious (2013) Bill Weldon
- Room 237 (2012) Dr. Dave Bowman
- HENRi (2012) Henri, voice acting
- Prophets of Science Fiction (2011) Dave Bowman in '2001, A Space Odyssey', хроника
- Immersive Cocoon 2011 (2011) Unnamed
- All Me, All the Time (2009) Jake
- Fortune (2009) Jonah Pryce
- The Accidental Husband (2008) Mr. Bollenbecker
- A Lonely Sky (2006) Older Man
- The Good Shepherd (2006) Senator John Russell, Sr.
- The Day My Towers Fell (2006) Harry Gold
- On Screen! (2005) играет самого себя
- Alien Hunter (2003) Secretary Bayer
- Three Days of Rain (2002) not listed in credits
- Stanley Kubrick: A Life in Pictures (2001) играет самого себя
- Witchblade (2001) Dr. Immo
- Sladke sanje (2001) хроника, not listed in credits
- 2001: The Making of a Myth (2001) играет самого себя
- 2001 and Beyond (2001) играет самого себя
- The Audrey Hepburn Story (2000) Joseph Hepburn
- Songs in Ordinary Time (2000) Sam Fermoyle
- The Divine Inspiration (2000)
- A Personal Journey with Martin Scorsese Through American Movies (1995) Dr. Dave Bowman, «2001: A Space Odyssey»
- Oh, What a Night (1992) Thorvald
- Night of 100 Stars III (1990) играет самого себя
- 2010: The Odyssey Continues (1984) играет самого себя, not listed in credits
- The Next One (1984) Glenn / The Next One
- Blind Date (1984) Dr. Steiger
- 2010 (1984) Dave Bowman
- BrainWaves (1983) Julian Bedford
- No Place to Hide (1981) Cliff Letterman
- Saturn Awards (1981)
- The Starlost: The Beginning (1980) Devon, хроника
- The Starlost: The Invasion (1980) Devon, хроника
- The Starlost: The Return (1980) Devon, хроника
- Brave New World (1980) Thomas Grambell
- The Hostage Tower (1980) Mr. Smith
- The Legend of the Golden Gun (1979) General Custer
- Because He's My Friend (1978) Eric
- Welcome to Blood City (1977) Lewis
- Three Dangerous Ladies (1977) David (segment 'The Mannikin')
- Mannikin (1977) Mysterious Stranger
- Law and Order (1976) Johnny Morrison
- Full Circle (1976)
- Paul and Michelle (1974)
- Black Christmas (1974) Peter
- The Starlost (1973) Devon
- Paperback Hero (1973) Rick Dylan
- Pope Joan (1972) Dr. Stevens, not listed in credits
- Il diavolo nel cervello (1972) Oscar Minno
- Montserrat (1971) Montserrat
- McMillan & Wife (1971) Buzz Simms
- The Virginia Graham Show (1970) играет самого себя
- Black Water Gold (1970) Christofer Perdeger
- De Sade (1969) De Sade
- 2001: A Space Odyssey (1968) Dr. Dave Bowman
- The Making of «2001» (1968) играет самого себя
- The Fox (1967) Paul Renfield
- Madame X (1966) Clay Anderson Jr.
- Bunny Lake Is Missing (1965) Steven Lake
- The Thin Red Line (1964) Pvt. Doll
- 12 O'Clock High (1964) Lt. Kurt Muller
- Le ore nude (1964) Aldo
- Mail Order Bride (1964) Lee Carey
- Channing (1963) Larry Franklin
- David and Lisa (1962)
- The Eleventh Hour (1962) Jerry Bullock
- The Match Game (1962) играет самого себя
- The Hoodlum Priest (1961) Billy Lee Jackson
- Alcoa Premiere (1961) Eric Green
- The New Breed (1961) Frank
- Mrs. Miniver (1960) German Pilot
- Play of the Week (1959) Don
- The United States Steel Hour (1953) David March
- April Flowers Mr. X
