- Amigos do Helton
2026 David Bowman (Archive footage)
- Instadocs: AI Gone Wild
2026 Dr. David Bowman (archive footage)
- 2001: Creating Kubrick’s Space Odyssey
2024 Himself
- Valley of the Gods
2020 Ulim
- April Flowers
2020 Mr. X
- Jailbird
2020 Dr. David Bowman
- Fahrenheit 451
2018 Historian
- 2001: Sparks in the Dark
2018 Stanley Kubrick
- Space Station 76
2014 Mr. Marlowe
- Infinitely Polar Bear
2014 Murray Stuart
- HENRi
2013 Henri (voice)
- Isn't It Delicious
2013 Bill Weldon
- Immersive Cocoon
2011 Unnamed
- Fortune
2009 Jonah Pryce
- The Accidental Husband
2008 Mr. Carl Bollenbecker
- The Good Shepherd
2006 Senator John Russell, Sr.
- A Lonely Sky
2006 Stan Curtis
- Alien Hunter
2003 Secretary Bayer
- The Audrey Hepburn Story
2000 Joseph Hepburn
- Songs In Ordinary Time
2000 Sam Fermoyle
- Oh, What a Night
1992 Thorvald
- 2010
1984 Dr. David Bowman
- The Time Traveller
1984 Glenn / The Next One
- Blind Date
1984 Dr. Steiger
- 2010 : The Odyssey Continues
1984 Himself
- BrainWaves
1983 Julian Bedford
- No Place to Hide
1983
- No Place to Hide
1981 Cliff Letterman
- Brave New World
1980 Thomas Grambell
- The Starlost: The Alien Oro
1980 Devon
- The Starlost: The Beginning
1980 Devon
- The Hostage Tower
1980 Mr. Smith
- The Starlost: Deception
1980 Devon
- Leopard in the Snow
1979 Dominic Lyall
- The Legend of the Golden Gun
1979 General Custer
- Full Circle
1978 Magnus Lofting
- Because He's My Friend
1978 Eric
- Welcome to Blood City
1977 Lewis
- Three Dangerous Ladies
1977 Dr. David Priestly
- The Mannikin
1977 Dr. David Priestly
- Law and Order
1976 Johnny Morrison
- Paul and Michelle
1974 Garry
- Black Christmas
1974 Peter
- Paperback Hero
1973 Rick Dylan
- Pope Joan
1972 Dr. Stevens
- Devil in the Brain
1972 Oscar Minno
- Montserrat
1971 Montserrat
- Black Water Gold
1970 Christofer Perdeger
- De Sade
1969 Marquis de Sade
- 2001: A Space Odyssey
1968 Dr. David Bowman
- The Fox
1967 Paul Grenfell
- Madame X
1966 Clay Anderson Jr.
- Bunny Lake Is Missing
1965 Steven
- Mail Order Bride
1964 Lee Carey
- The Thin Red Line
1964 Pvt. Doll
- Le ore nude
1964 Aldo
- David and Lisa
1962 David Clemens
- The Hoodlum Priest
1961 Billy Lee Jackson
- Give Us Barabbas!
1961 Elisha
- Mrs. Miniver
1960 German Pilot
- Sonder
Eli
