William Sylvester (January 31, 1922 – January 25, 1995) was an American TV and film actor. His most famous film credit was Dr. Heywood Floyd in Stanley Kubrick's 2001 A Space Odyssey (1968). Born in Oakland, California and married at one time to the British actress Veronica Hurst, he moved to England after the Second World War and became a staple of British B films at a time when American and Canadian actors were much in demand in order to give i...
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2001: A Space Odyssey
As Dr. Heywood Floyd
Don't Be Afraid of the Dark
As Tom Henderson
Gorgo
As Sam Slade
Devil Doll
As Mark English
The Hindenburg
As Luftwaffe Colonel
First Family
As TV Commentator Howard
The Hand of Night
As Paul Carver
2001: The Making of a Myth
As Dr. Heywood R. Floyd (archive footage) (uncredited)
Devils of Darkness
As Paul Baxter
Busting
As Mr. Weldman
Give Us This Day
As Giovanni
Blind Corner
As Paul Gregory
The Stranger Came Home
As Philip Vickers
Offbeat
As Layton / Steve Ross
High Tide at Noon
As Alec Douglas
Portrait of Alison
As Dave Forrester
Information Received
As Rick Hogan
Whirlpool
As Hermann
House of Blackmail
As Jimmy
Dublin Nightmare
As John Kevin
The Caine Mutiny Court-Martial
Ring of Spies
As Gordon Lonsdale
The 9th Wonder of the World: The Making of 'Gorgo'
As Sam Slade (archive footage)
Incident at Midnight
As Vince Warren
The Yellow Balloon
As Len Turner
Roger Moore: A Matter of Class
As Self (archive footage)
Riding with Death
As Leonard Driscoll
The Syndicate
As Burt Hickey
The Challengers
As Brad York
What Every Woman Wants
As Jim Barnes
Appointment in London
As Mac
Red and Blue
As Trumpeter
Albert R.N.
As Texas
They Were Not Divided
As American Soldier (uncredited)
The Lawyer
As Paul Harrison
Heaven Can Wait
As Nuclear Reporter
Green Acres
The F.B.I.
As Tom Barber
Quincy, M.E.
As Joe Crawford
Buck Rogers in the 25th Century
As Lt. General Preston Myers
Marcus Welby, M.D.
As Paul Berwick
The Hardy Boys / Nancy Drew Mysteries
The Saint
As Foots Fortunati
Cannon
Harry O
The Sentimental Agent
Switch
As Ellis
The High Chaparral
As Jack Simmons
McCloud
Gemini Man
As Leonard Driscoll
Big Shamus, Little Shamus
What Really Happened To the Class Of '65?
The Magician
As Peter Hayden
Banacek
As Dr. Stahl
The Six Million Dollar Man
As Frederick Collins