William Sylvester

Full filmography

• The 9th Wonder of the World: The Making of 'Gorgo' (2013) as Sam Slade (archive footage)
• 2001: The Making of a Myth (2001) as Dr. Heywood R. Floyd (archive footage) (uncredited)
• Roger Moore: A Matter of Class (1995) as Self (archive footage)
• First Family (1980) as TV Commentator Howard
• Buck Rogers in the 25th Century (1979) as Lt. General Preston Myers
• Big Shamus, Little Shamus (1979)
• Heaven Can Wait (1978) as Nuclear Reporter
• The Hardy Boys / Nancy Drew Mysteries (1977)
• What Really Happened to the Class of '65? (1977)
• Quincy, M.E. (1976) as Joe Crawford
• Gemini Man (1976) as Leonard Driscoll
• Riding with Death (1976) as Leonard Driscoll
• Switch (1975) as Ellis
• The Hindenburg (1975) as Luftwaffe Colonel
• The Six Million Dollar Man (1974) as Frederick Collins
• The Six Million Dollar Man (1974) as Admiral Prescott
• Harry O (1974)
• Busting (1974) as Mr. Weldman
• The Magician (1973) as Peter Hayden
• Don't Be Afraid of the Dark (1973) as Tom Henderson
• Banacek (1972) as Dr. Stahl
• Cannon (1971)
• McCloud (1970)
• San Francisco International Airport (1970) as Colonel Wilkins
• The Lawyer (1970) as Paul Harrison
• The Challengers (1970) as Brad York
• Marcus Welby, M.D. (1969) as Paul Berwick
• 2001: A Space Odyssey (1968) as Dr. Heywood Floyd
• The Hand of Night (1968) as Paul Carver
• Red and Blue (1968) as Trumpeter
• The Syndicate (1968) as Burt Hickey
• The High Chaparral (1967) as Jack Simmons
• The High Chaparral (1967) as Lafe Croswell
• You Only Live Twice (1967) as Pentagon Official (uncredited)
• Green Acres (1965) as Dr. Hoffman
• The F.B.I. (1965) as Tom Barber
• The Troubleshooters (1965) as Al Stevens
• Devils of Darkness (1965) as Paul Baxter
• Blind Corner (1964) as Paul Gregory
• Devil Doll (1964) as Mark English
• Ring of Spies (1964) as Gordon Lonsdale
• Incident at Midnight (1963) as Vince Warren
• The Saint (1962) as Foots Fortunati
• The Saint (1962) as Ralph Damien
• Drama 61-67 (1961) as Mark Lander
• Gorgo (1961) as Sam Slade
• Offbeat (1961) as Layton / Steve Ross
• Information Received (1961) as Rick Hogan
• Danger Man (1960) as James Carpenter / Oscar Schumak
• Whirlpool (1959) as Hermann
• The Caine Mutiny Court-Martial (1958)
• Dublin Nightmare (1958) as John Kevin
• High Tide at Noon (1957) as Alec Douglas
• Armchair Theatre (1956)
• Armchair Theatre (1956) as Ed Norman
• Armchair Theatre (1956) as Sergeant O'Hara
• Portrait of Alison (1955) as Dave Forrester
• The Stranger Came Home (1954) as Philip Vickers
• What Every Woman Wants (1954) as Jim Barnes
• House of Blackmail (1953) as Jimmy
• Appointment in London (1953) as Mac
• The Yellow Balloon (1953) as Len Turner
• Albert R.N. (1953) as Texas
• They Were Not Divided (1950) as American Soldier (uncredited)
• Give Us This Day (1949) as Giovanni