Complete filmography
Everything William Sylvester is credited on. Titles we have reviewed carry their Fi1m score; press Request a review on any other and it goes on our list.
2010s
The 9th Wonder of the World: The Making of 'Gorgo' 2013as Sam Slade (archive footage)
2000s
2001: The Making of a Myth 2001as Dr. Heywood R. Floyd (archive footage) (uncredited)
1980s
First Family 1980as TV Commentator Howard
1970s
Big Shamus, Little Shamus 1979SeriesActor · 1 ep
Buck Rogers in the 25th Century 1979Seriesas Lt. General Preston Myers · 1 ep
Heaven Can Wait 1978as Nuclear ReporterFi1m 74
What Really Happened to the Class of '65? 1977SeriesActor · 1 ep
The Hardy Boys / Nancy Drew Mysteries 1977SeriesActor · 1 ep
Quincy, M.E. 1976Seriesas Joe Crawford · 4 eps
Gemini Man 1976Seriesas Leonard Driscoll · 6 eps
Riding with Death 1976as Leonard Driscoll
The Hindenburg 1975as Luftwaffe Colonel
Switch 1975Seriesas Ellis · 1 ep
Harry O 1974SeriesActor · 2 eps
Busting 1974as Mr. Weldman
The Six Million Dollar Man 1974Seriesas Frederick Collins, Admiral Prescott · 1 ep
Don't Be Afraid of the Dark 1973as Tom Henderson
The Magician 1973Seriesas Peter Hayden · 1 ep
Banacek 1972Seriesas Dr. Stahl · 1 ep
Cannon 1971SeriesActor · 1 ep
San Francisco International Airport 1970Seriesas Colonel Wilkins · 1 ep
The Lawyer 1970as Paul Harrison
The Challengers 1970as Brad York
McCloud 1970SeriesActor · 1 ep