Credits

• 2022 · Halo as Fleet Admiral Hood
• 2020 · Hunters as Klaus Rhinehart
• 2018 · Fahrenheit 451 as Historian
• 2014 · Space Station 76 as Mr. Marlowe
• 2014 · The Real History of Science Fiction as Self
• 2014 · Infinitely Polar Bear as Murray Stuart
• 2009 · Castle as Jonathan Tisdale
• 2008 · The Accidental Husband as Mr. Carl Bollenbecker
• 2007 · Damages as Julius
• 2006 · The Good Shepherd as Senator John Russell, Sr.
• 2003 · Alien Hunter as Secretary Bayer
• 2001 · Witchblade as
• 2000 · Ed as Robert Stanley
• 2000 · The Audrey Hepburn Story as Joseph Hepburn
• 1999 · Law & Order: Special Victims Unit as Judge Walter Thornburg
• 1990 · Law & Order as Defense Attorney Paul Lyman
• 1990 · Law & Order as Andrew Keener
• 1990 · Night of 100 Stars III as Self
• 1984 · 2010 as Dr. David Bowman
• 1984 · Murder, She Wrote as Jason Reynard
• 1975 · Switch as Anthony Kirk
• 1974 · Black Christmas as Peter
• 1973 · The Starlost as Devon
• 1969 · De Sade as Marquis de Sade
• 1968 · 2001: A Space Odyssey as Dr. David Bowman
• 1966 · Madame X as Clay Anderson Jr.
• 1965 · Bunny Lake Is Missing as Steven
• 1964 · The Wednesday Play as Adam
• 1964 · 12 O'Clock High as Lt. Muller
• 1964 · Mail Order Bride as Lee Carey
• 1962 · David and Lisa as David Clemens
• 1962 · Going My Way as
• 1962 · The Tonight Show Starring Johnny Carson as Self
• 1962 · The Merv Griffin Show as Self
• 1961 · The Mike Douglas Show as Self
• 1961 · Alcoa Premiere as
• 1961 · The New Breed as Frank
• 1961 · Cain's Hundred as Alec Benson
• 1961 · The DuPont Show of the Week as Lieutenant
• 1961 · Kraft Mystery Theatre as
• 1961 · Kraft Mystery Theatre as Tim Dryden
• 1960 · Route 66 as
• 1960 · Checkmate as Eddie Phillips
• 1959 · Play of the Week as
• 1959 · Bonanza as Bob Jolley
• 1958 · Naked City as Les Gerrick
• 1958 · Naked City as Joseph Ross
• 1953 · The United States Steel Hour as
• 1951 · Hallmark Hall of Fame as Elisha
• Future · Sonder as Eli
• 2024 · 2001: Creating Kubrick’s Space Odyssey as Himself
• 2020 · April Flowers as Mr. X
• 2020 · Jailbird as Dr. David Bowman
• 2020 · Valley of the Gods as Ulim
• 2020 · Gatsby in Connecticut: The Untold Story as Self
• 2018 · 2001: Sparks in the Dark as Stanley Kubrick
• 2014 · Kubrick Remembered as Self
• 2013 · Isn't It Delicious as Bill Weldon
• 2013 · HENRi as Henri (voice)
• 2011 · Immersive Cocoon as Unnamed
• 2009 · Fortune as Jonah Pryce
• 2007 · 2001: A Space Odyssey – What Is Out There? as Self
• 2006 · A Lonely Sky as Stan Curtis
• 2002 · Black Christmas Revisited as Self
• 2001 · Stanley Kubrick: A Life in Pictures as Self
• 2001 · 2001: The Making of a Myth as Self
• 2001 · 2001 and Beyond as Self
• 2000 · Songs In Ordinary Time as Sam Fermoyle
• 1992 · Oh, What a Night as Thorvald
• 1984 · The Time Traveller as Glenn / The Next One
• 1984 · Blind Date as Dr. Steiger
• 1984 · 2010 : The Odyssey Continues as Himself
• 1983 · BrainWaves as Julian Bedford
• 1983 · No Place to Hide as
• 1981 · No Place to Hide as Cliff Letterman
• 1980 · The Hostage Tower as Mr. Smith
• 1980 · Brave New World as Thomas Grambell
• 1980 · The Starlost: The Alien Oro as Devon
• 1980 · The Starlost: The Beginning as Devon
• 1979 · The Legend of the Golden Gun as General Custer
• 1979 · Leopard in the Snow as Dominic Lyall
• 1978 · Because He's My Friend as Eric
• 1978 · Full Circle as Magnus Lofting
• 1977 · Three Dangerous Ladies as Dr. David Priestly
• 1977 · Welcome to Blood City as Lewis
• 1977 · The Mannikin as Dr. David Priestly
• 1976 · Law and Order as Johnny Morrison
• 1974 · Paul and Michelle as Garry
• 1973 · Paperback Hero as Rick Dylan
• 1972 · Pope Joan as Dr. Stevens
• 1972 · Devil in the Brain as Oscar Minno
• 1971 · Montserrat as Montserrat
• 1970 · A Primer for '2001: A Space Odyssey' as
• 1970 · Black Water Gold as Christofer Perdeger
• 1967 · The Fox as Paul Grenfell
• 1966 · 2001: A Space Odyssey - A Look Behind the Future as Self
• 1964 · Le ore nude as Aldo
• 1964 · The Thin Red Line as Pvt. Doll
• 1961 · The Hoodlum Priest as Billy Lee Jackson
• 1961 · Give Us Barabbas! as Elisha
• 1960 · Mrs. Miniver as German Pilot