Movies (Acting Roles)
2001: The Making of a Myth
William Sylvester would have been no older than 72 in 2001: The Making of a Myth as 'Dr. Heywood R. Floyd (archive footage) (uncredited)'.Movie Released: Sat, Jan 13 2001
Roger Moore: A Matter of Class
William Sylvester would have been no older than 72 in Roger Moore: A Matter of Class as 'Self (archive footage)'.Movie Released: Thu, Nov 16 1995
First Family
William Sylvester was 58 in First Family as 'TV Commentator Howard'.Movie Released: Thu, Dec 25 1980
Heaven Can Wait
William Sylvester was 56 in Heaven Can Wait as 'Nuclear Reporter'.Movie Released: Wed, Jun 28 1978
Riding with Death
William Sylvester was 53 in Riding with Death as 'Leonard Driscoll'.Movie Released: Thu, Jan 01 1976
The Hindenburg
William Sylvester was 53 in The Hindenburg as 'Luftwaffe Colonel'.Movie Released: Thu, Dec 25 1975
Busting
William Sylvester was 52 in Busting as 'Mr. Weldman'.Movie Released: Wed, Feb 27 1974
The Lawyer
William Sylvester was 48 in The Lawyer as 'Paul Harrison'.Movie Released: Tue, Mar 10 1970
The Challengers
William Sylvester was 48 in The Challengers as 'Brad York'.Movie Released: Fri, Feb 20 1970
The Syndicate
William Sylvester was 46 in The Syndicate as 'Burt Hickey'.Movie Released: Mon, Sep 16 1968
The Hand of Night
William Sylvester was 46 in The Hand of Night as 'Paul Carver'.Movie Released: Sun, Aug 11 1968
Red and Blue
William Sylvester was 46 in Red and Blue as 'Trumpeter'.Movie Released: Thu, Aug 08 1968
2001: A Space Odyssey
William Sylvester was 46 in 2001: A Space Odyssey as 'Dr. Heywood Floyd'.Movie Released: Tue, Apr 02 1968
Devils of Darkness
William Sylvester was 43 in Devils of Darkness as 'Paul Baxter'.Movie Released: Sat, May 01 1965
Devil Doll
William Sylvester was 42 in Devil Doll as 'Mark English'.Movie Released: Tue, Sep 01 1964
Ring of Spies
William Sylvester was 42 in Ring of Spies as 'Gordon Lonsdale'.Movie Released: Mon, Mar 23 1964
Blind Corner
William Sylvester was 41 in Blind Corner as 'Paul Gregory'.Movie Released: Wed, Jan 01 1964
Incident at Midnight
William Sylvester was 40 in Incident at Midnight as 'Vince Warren'.Movie Released: Tue, Jan 01 1963
Information Received
William Sylvester was 39 in Information Received as 'Rick Hogan'.Movie Released: Tue, Aug 01 1961
Gorgo
William Sylvester was 39 in Gorgo as 'Sam Slade'.Movie Released: Thu, Feb 02 1961
Offbeat
William Sylvester was 38 in Offbeat as 'Layton / Steve Ross'.Movie Released: Sun, Jan 01 1961
Whirlpool
William Sylvester was 37 in Whirlpool as 'Hermann'.Movie Released: Sun, Mar 01 1959
Dublin Nightmare
William Sylvester was 36 in Dublin Nightmare as 'John Kevin'.Movie Released: Wed, Oct 01 1958
High Tide at Noon
William Sylvester was 35 in High Tide at Noon as 'Alec Douglas'.Movie Released: Tue, Apr 30 1957
Portrait of Alison
William Sylvester was 33 in Portrait of Alison as 'Dave Forrester'.Movie Released: Tue, Nov 29 1955
The Stranger Came Home
William Sylvester was 32 in The Stranger Came Home as 'Philip Vickers'.Movie Released: Fri, Sep 24 1954
What Every Woman Wants
William Sylvester was 32 in What Every Woman Wants as 'Jim Barnes'.Movie Released: Thu, Jun 10 1954
Albert R.N.
William Sylvester was 31 in Albert R.N. as 'Texas'.Movie Released: Mon, Nov 23 1953
House of Blackmail
William Sylvester was 31 in House of Blackmail as 'Jimmy'.Movie Released: Mon, Jul 13 1953
Appointment in London
William Sylvester was 31 in Appointment in London as 'Mac'.Movie Released: Tue, Feb 17 1953
The Yellow Balloon
William Sylvester was 31 in The Yellow Balloon as 'Len Turner'.Movie Released: Tue, Feb 10 1953
They Were Not Divided
William Sylvester was 28 in They Were Not Divided as 'American Soldier (uncredited)'.Movie Released: Mon, Apr 24 1950
Give Us This Day
William Sylvester was 27 in Give Us This Day as 'Giovanni'.Movie Released: Fri, Oct 14 1949
TV Shows (Acting Roles)
Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate agesBig Shamus, Little Shamus
William Sylvester was 57+ in Big Shamus, Little Shamus TV Show Released: First Air Date
Sat, Sep 29 1979
Buck Rogers in the 25th Century
William Sylvester was 57+ in Buck Rogers in the 25th Century as 'Lt. General Preston Myers'.TV Show Released: First Air Date
Thu, Sep 20 1979
Quincy, M.E.
William Sylvester was 54+ in Quincy, M.E. as 'Joe Crawford'.TV Show Released: First Air Date
Sun, Oct 03 1976
Gemini Man
William Sylvester was 54+ in Gemini Man as 'Leonard Driscoll'.TV Show Released: First Air Date
Mon, May 10 1976
Switch
William Sylvester was 53+ in Switch as 'Ellis'.TV Show Released: First Air Date
Tue, Sep 09 1975
Harry O
William Sylvester was 52+ in Harry O TV Show Released: First Air Date
Thu, Sep 12 1974
The Six Million Dollar Man
William Sylvester was 51+ in The Six Million Dollar Man as 'Frederick Collins, Admiral Prescott'.TV Show Released: First Air Date
Fri, Jan 18 1974
The Magician
William Sylvester was 51+ in The Magician as 'Peter Hayden'.TV Show Released: First Air Date
Tue, Oct 02 1973
Banacek
William Sylvester was 50+ in Banacek as 'Dr. Stahl'.TV Show Released: First Air Date
Wed, Sep 13 1972
Cannon
William Sylvester was 49+ in Cannon TV Show Released: First Air Date
Tue, Sep 14 1971
McCloud
William Sylvester was 48+ in McCloud TV Show Released: First Air Date
Tue, Feb 17 1970
Marcus Welby, M.D.
William Sylvester was 47+ in Marcus Welby, M.D. as 'Paul Berwick'.TV Show Released: First Air Date
Tue, Sep 23 1969
The High Chaparral
William Sylvester was 45+ in The High Chaparral as 'Jack Simmons, Lafe Croswell'.TV Show Released: First Air Date
Sun, Sep 10 1967
The F.B.I.
William Sylvester was 43+ in The F.B.I. as 'Tom Barber'.TV Show Released: First Air Date
Sun, Sep 19 1965
Green Acres
William Sylvester was 43+ in Green Acres TV Show Released: First Air Date
Wed, Sep 15 1965
The Sentimental Agent
William Sylvester was 41+ in The Sentimental Agent TV Show Released: First Air Date
Sat, Sep 28 1963
The Saint
William Sylvester was 40+ in The Saint as 'Foots Fortunati, Ralph Damien'.TV Show Released: First Air Date
Thu, Oct 04 1962