William Sylvester
ActingTotal Credits
60
Acting
60
First Credit
1949
Latest Credit
2013
Banacek
Dr. Stahl
1972
2001: A Space Odyssey
Dr. Heywood Floyd
1968
Quincy, M.E.
Joe Crawford
1976
Danger Man
James Carpenter / Oscar Schumak
1960
The Saint
Foots Fortunati · Ralph Damien
1962
Albert R.N.
Texas
1953
The Six Million Dollar Man
Frederick Collins · Admiral Prescott
1974
Green Acres
Dr. Hoffman
1965
McCloud
Actor
1970
The Hardy Boys / Nancy Drew Mysteries
Actor
1977
Ring of Spies
Gordon Lonsdale
1964
Buck Rogers in the 25th Century
Lt. General Preston Myers
1979
Gemini Man
Leonard Driscoll
1976
The Magician
Peter Hayden
1973
The High Chaparral
Jack Simmons · Lafe Croswell
1967
Switch
Ellis
1975
Cannon
Actor
1971
Heaven Can Wait
Nuclear Reporter
1978
You Only Live Twice
Pentagon Official (uncredited)
1967
2001: The Making of a Myth
Dr. Heywood R. Floyd (archive footage) (uncredited)
2001
Marcus Welby, M.D.
Paul Berwick
1969
Appointment in London
Mac
1953
House of Blackmail
Jimmy
1953
The Hindenburg
Luftwaffe Colonel
1975
Portrait of Alison
Dave Forrester
1955
Busting
Mr. Weldman
1974
Offbeat
Layton / Steve Ross
1961
High Tide at Noon
Alec Douglas
1957
Don't Be Afraid of the Dark
Tom Henderson
1973
The Yellow Balloon
Len Turner
1953
Give Us This Day
Giovanni
1949
The F.B.I.
Tom Barber
1965
The Stranger Came Home
Philip Vickers
1954
Gorgo
Sam Slade
1961
Harry O
Actor
1974
Devils of Darkness
Paul Baxter
1965
Devil Doll
Mark English
1964
Riding with Death
Leonard Driscoll
1976
Roger Moore: A Matter of Class
Self (archive footage)
1995
Red and Blue
Trumpeter
1968
The Troubleshooters
Al Stevens
1965
Big Shamus, Little Shamus
Actor
1979
San Francisco International Airport
Colonel Wilkins
1970
The Challengers
Brad York
1970
Information Received
Rick Hogan
1961
The 9th Wonder of the World: The Making of 'Gorgo'
Sam Slade (archive footage)
2013
Incident at Midnight
Vince Warren
1963
Dublin Nightmare
John Kevin
1958
What Every Woman Wants
Jim Barnes
1954
They Were Not Divided
American Soldier (uncredited)
1950
Whirlpool
Hermann
1959
What Really Happened to the Class of '65?
Actor
1977
Armchair Theatre
Actor · Ed Norman · Sergeant O'Hara
1956
The Lawyer
Paul Harrison
1970
The Syndicate
Burt Hickey
1968
The Hand of Night
Paul Carver
1968
Blind Corner
Paul Gregory
1964
First Family
TV Commentator Howard
1980
Drama 61-67
Mark Lander
1961
The Caine Mutiny Court-Martial
Actor
1958