Acting • AGE 72
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 O...


The 9th Wonder of the World: The Making of 'Gorgo'
Sam Slade (archive footage)
2013

2001: The Making of a Myth
Dr. Heywood R. Floyd (archive footage) (uncredited)
2001

Roger Moore: A Matter of Class
Self (archive footage)
1995

First Family
TV Commentator Howard
1980

Big Shamus, Little Shamus
1979

Buck Rogers in the 25th Century
Lt. General Preston Myers
1979

Heaven Can Wait
Nuclear Reporter
1978

What Really Happened to the Class of '65?
1977

The Hardy Boys / Nancy Drew Mysteries
1977

Quincy, M.E.
Joe Crawford
1976

Gemini Man
Leonard Driscoll
1976

Riding with Death
Leonard Driscoll
1976

The Hindenburg
Luftwaffe Colonel
1975

Switch
Ellis
1975

Harry O
1974

Busting
Mr. Weldman
1974

The Six Million Dollar Man
Frederick Collins
1974

Don't Be Afraid of the Dark
Tom Henderson
1973

The Magician
Peter Hayden
1973

Banacek
Dr. Stahl
1972

Cannon
1971

San Francisco International Airport
Colonel Wilkins
1970

The Lawyer
Paul Harrison
1970

The Challengers
Brad York
1970

McCloud
1970

Marcus Welby, M.D.
Paul Berwick
1969

The Syndicate
Burt Hickey
1968

The Hand of Night
Paul Carver
1968

Red and Blue
Trumpeter
1968

2001: A Space Odyssey
Dr. Heywood Floyd
1968

The High Chaparral
Jack Simmons
1967

You Only Live Twice
Pentagon Official (uncredited)
1967

The F.B.I.
Tom Barber
1965

Green Acres
Dr. Hoffman
1965

The Troubleshooters
Al Stevens
1965

Devils of Darkness
Paul Baxter
1965

Devil Doll
Mark English
1964

Ring of Spies
Gordon Lonsdale
1964

Blind Corner
Paul Gregory
1964

Incident at Midnight
Vince Warren
1963

The Saint
Foots Fortunati
1962

Information Received
Rick Hogan
1961

Gorgo
Sam Slade
1961

Offbeat
Layton / Steve Ross
1961

Danger Man
James Carpenter / Oscar Schumak
1960

Whirlpool
Hermann
1959

Dublin Nightmare
John Kevin
1958

High Tide at Noon
Alec Douglas
1957

Armchair Theatre
1956

Portrait of Alison
Dave Forrester
1955

The Stranger Came Home
Philip Vickers
1954

What Every Woman Wants
Jim Barnes
1954

Albert R.N.
Texas
1953

House of Blackmail
Jimmy
1953

Appointment in London
Mac
1953

The Yellow Balloon
Len Turner
1953

They Were Not Divided
American Soldier (uncredited)
1950

Give Us This Day
Giovanni
1949