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William Sylvester was an American television and film actor. His most famous film credit was Dr. Heywood Floyd in Stanley Kubrick's 2001 A Space Odyssey (1968).
Birth Name
William R. Silvester
Born
Tuesday, 31 January 1922
Died
Wednesday, 25 January 1995
Actor Filmography
| Title | Character | Year |
|---|
| First Family | TV Commentator Howard | 1980 |
| Big Shamus, Little Shamus | Nelson Milgrim | 1979 |
| Buck Rogers in the 25th Century | Lt. General Preston Myers | 1979 |
| B.J. and the Bear | Mr. Barclay | 1978 |
| Heaven Can Wait | Nuclear Reporter | 1978 |
| What Really Happened to the Class of '65? | Kelly | 1977 |
| The Hardy Boys/Nancy Drew Mysteries | Martin Dettman | 1977 |
| Quincy M.E. | David Stillwell / District Attorney Harrison / Joe Crawford / John Burnett / Randall Torgen | 1976 |
| Gemini Man | Leonard Driscoll | 1976 |
| Riding with Death | Leonard Driscoll | 1976 |
Actor Filmography
| Title | Character | Year |
|---|
| First Family | TV Commentator Howard | 1980 |
| Big Shamus, Little Shamus | Nelson Milgrim | 1979 |
| Buck Rogers in the 25th Century | Lt. General Preston Myers | 1979 |
| B.J. and the Bear | Mr. Barclay | 1978 |
| Heaven Can Wait | Nuclear Reporter | 1978 |
| What Really Happened to the Class of '65? | Kelly | 1977 |
| The Hardy Boys/Nancy Drew Mysteries | Martin Dettman | 1977 |
| Quincy M.E. | David Stillwell / District Attorney Harrison / Joe Crawford / John Burnett / Randall Torgen | 1976 |
| Gemini Man | Leonard Driscoll | 1976 |
| Riding with Death | Leonard Driscoll | 1976 |
| The Hindenburg | Luftwaffe Colonel | 1975 |
| Guilty or Innocent: The Sam Sheppard Murder Case | 1975 | |
| Switch | Ellis | 1975 |
| Caribe | Inspector Morane | 1975 |
| Busting | Mr. Weldman | 1974 |
| Get Christie Love! | Gleason | 1974 |
| The Six Million Dollar Man | Admiral Prescott / Prescott / Frederick Collins | 1974 |
| Don't Be Afraid of the Dark | Tom Henderson | 1973 |
| The Magician | Peter Hayden | 1973 |
| Harry O | Ben Loretz / District Attorney / Minister | 1973 |
| Banacek | Dr. Stahl | 1972 |
| Cannon | Elliot Markham | 1971 |
| San Francisco International Airport | Colonel Wilkins | 1970 |
| The Lawyer | Paul Harrison | 1970 |
| McCloud | Jason Howard | 1970 |
| Marcus Welby, M.D. | Paul Berwick | 1969 |
| The Syndicate | Burt Hickey | 1968 |
| Beast of Morocco | Paul Carver | 1968 |
| 2001: A Space Odyssey | Dr. Heywood R. Floyd / Dr. Heywood Floyd | 1968 |
| The High Chaparral | Lafe Croswell / Jack Simmons | 1967 |
| You Only Live Twice | Pentagon Official | 1967 |
| The Baron | Nick | 1966 |
| The F.B.I. | Tom Barber | 1965 |
| Green Acres | Aide to the Governor / Dr. Hoffman / Lt. Olson / Pilot | 1965 |
| Mogul | Brian Skinner / Al Stevens | 1965 |
| Devils of Darkness | Paul Baxter | 1965 |
| Man in the Dark | Paul Gregory / Paul | 1964 |
| Devil Doll | Mark English | 1964 |
| Ring of Treason | Gordon Lonsdale | 1964 |
| The Sentimental Agent | Shaw | 1963 |
| Incident at Midnight | Vince Warren | 1963 |
| The Saint | Foots Fortunati / Ralph Damien | 1962 |
| Ghost Squad | Stephen Brett | 1961 |
| Information Received | Rick Hogan | 1961 |
| Drama 61-67 | Mark Lander | 1961 |
| Gorgo | Sam Slade | 1961 |
| The Devil Inside | Steve Ross / Layton | 1961 |
| Danger Man | James Carpenter / Oscar Schumak | 1960 |
| Theatre 70 | Tony Morello | 1960 |
| Bonanza | Mr. Cambeau / Horace Kingston | 1959 |
| Whirlpool | Herman / Hermann | 1959 |
| The Edgar Wallace Mystery Theatre | Vince Warren | 1959 |
| Dublin Nightmare | John Kevin | 1958 |
| High Tide at Noon | Alec Douglas | 1957 |
| Emergency-Ward 10 | Mr. Simmons | 1957 |
| Armchair Theatre | Sergeant O'Hara / Ed Norman | 1956 |
| Postmark for Danger | Dave Forrester | 1955 |
| ITV Play of the Week | Ben Hubbard / Bob Fellowes / Capt. Davis / Frank Dawson / Jim Colton / Locky McCormick / Walter Neff | 1955 |
| ITV Television Playhouse | Sam / Ralph / Mr. Black / Judson | 1955 |
| The Tonight Show | Self - performing scene from 'Mister Johnson' | 1954 |
| Lassie | Captain Matt Taylor | 1954 |
| The Unholy Four | Philip Vickers | 1954 |
| What Every Woman Wants | Jim Barnes | 1954 |
| Break to Freedom | Texas | 1953 |
| House of Blackmail | Jimmy | 1953 |
| Raiders in the Sky | Mac / "Mac" Baker | 1953 |
| The Yellow Balloon | Len / Len Turner | 1953 |
| Rheingold Theatre | Henry Jefferson | 1953 |
| They Were Not Divided | American soldier | 1950 |
| Give Us This Day | Giovanni | 1949 |
