William Sylvester More at IMDbPro »

Actor:

• 1980s
• 1970s
• 1960s
• 1950s
• 1940s

1. "Quincy M.E." .... Attorney David Stillwell / ... (5 episodes, 1977-1983)
   ... aka Quincy (International: English title: informal title)
       - Whatever Happened to Morris Perlmutter? (1983) TV episode .... Attorney David Stillwell
       - To Clear the Air (1982) TV episode .... Randall Torgen
       - Stain of Guilt (1981) TV episode .... District Attorney Harrison
       - The Eye of the Needle (1979) TV episode .... John Burnett
       - Visitors in Paradise (1977) TV episode .... Newspaper Editor Joe Crawford
2. "Buck Rogers in the 25th Century" .... Lt. Gen. Preston Myers (1 episode, 1981)
       - Testimony of a Traitor (1981) TV episode .... Lt. Gen. Preston Myers
3. First Family (1980) .... TV Interviewer
4. "B.J. and the Bear" .... Mr. Barclay (1 episode, 1980)
       - Siege (1980) TV episode .... Mr. Barclay
   
   
5. "Big Shamus, Little Shamus" .... Nelson Milgrim (1 episode, 1979)
       - The Abduction (1979) TV episode .... Nelson Milgrim
6. Heaven Can Wait (1978) .... Nuclear reporter
7. "What Really Happened to the Class of '65?" .... Kelly (1 episode, 1978)
       - Class Clown (1978) TV episode .... Kelly
8. "The Hardy Boys/Nancy Drew Mysteries" (1 episode, 1977)
   ... aka The Nancy Drew Mysteries (USA: short title)
       - The Strange Fate of Flight 608 (1977) TV episode
9. "The Six Million Dollar Man" .... Prescott / ... (3 episodes, 1975-1977)
       - Sharks: Part 2 (1977) TV episode .... Prescott
       - Sharks (1977) TV episode .... Prescott
       - Outrage in Balinderry (1975) TV episode .... Frederick Collins
10. "Gemini Man" .... Leonard Driscoll (11 episodes, 1976)
        - Return of the Lion (1976) TV episode .... Leonard Driscoll
        - Suspect Your Local Police (1976) TV episode .... Leonard Driscoll
        - Buffalo Bill Rides Again (1976) TV episode .... Leonard Driscoll
        - Eight-Nine-Ten, You're Dead (1976) TV episode .... Leonard Driscoll
        - Targets (1976) TV episode .... Leonard Driscoll
          (6 more)
11. "McCloud" .... Jason Howard (1 episode, 1976)
        - 'Twas the Fight Before Christmas... (1976) TV episode .... Jason Howard
12. "Switch" .... Ellis (1 episode, 1976)
        - Death Squad (1976) TV episode (as William Sylvestor) .... Ellis
13. "Harry O" .... Ben Loretz / ... (3 episodes, 1975-1976)
        - The Mysterious Case of Lester and Dr. Fong (1976) TV episode .... Minister
        - Anatomy of a Frame (1975) TV episode .... District Attorney
        - Silent Kill (1975) TV episode .... Ben Loretz
14. "Cannon" .... Elliot Markham (1 episode, 1976)
        - Bloodlines (1976) TV episode .... Elliot Markham
15. Riding with Death (1976) (TV) .... Leonard Driscoll
16. The Hindenburg (1975) .... Luftwaffe colonel
17. Guilty or Innocent: The Sam Sheppard Murder Case (1975) (TV)
18. "Mobile One" (1 episode, 1975)
        - The Reporter (1975) TV episode
19. "Caribe" .... Inspector Morane (1 episode, 1975)
        - Murder in Paradise (1975) TV episode .... Inspector Morane
20. "Get Christie Love!" .... Gleason (1 episode, 1974)
        - For the Family Honor (1974) TV episode .... Gleason
21. Busting (1974) .... Mr. Weldman
22. "The Magician" .... Peter Hayden (1 episode, 1974)
        - The Illusion of the Deadly Conglomerate (1974) TV episode .... Peter Hayden
23. "Banacek" .... Dr. Stahl (1 episode, 1973)
        - If Max Is So Smart, Why Doesn't He Tell Us Where He Is? (1973) TV episode .... Dr. Stahl
24. Don't Be Afraid of the Dark (1973) (TV) .... Tom Henderson
    ... aka Nightmare (Europe: English title: video box title)
25. "Bonanza" .... Horace Kingston / ... (2 episodes, 1970-1972)
    ... aka Ponderosa (USA: rerun title)
        - The Bucket Dog (1972) TV episode .... Horace Kingston
        - Danger Road (1970) TV episode .... Mr. Cambeau
26. "The F.B.I." .... Tom Barber (1 episode, 1972)
        - A Second Life (1972) TV episode .... Tom Barber
27. "Green Acres" .... Dr. Hoffman / ... (4 episodes, 1970-1971)
        - Hawaiian Honeymoon (1971) TV episode .... Pilot
        - Lisa the Psychologist (1971) TV episode .... Dr. Hoffman
        - King Oliver I (1971) TV episode .... Governor's Aide
        - Oliver's Double (1970) TV episode .... Lt. Olson
28. "San Francisco International Airport" .... Colonel Wilkins (1 episode, 1970)
    ... aka SFX (USA: alternative title)
        - Emergency Alert (1970) TV episode .... Colonel Wilkins
29. The Lawyer (1970) .... Paul Harrison
30. The Challengers (1970) (TV) .... Brad York
    
    
31. "The High Chaparral" .... Jack Simmons / ... (2 episodes, 1969)
        - The Little Thieves (1969) TV episode .... Lafe Croswell
        - No Bugles, No Drums (1969) TV episode .... Jack Simmons
32. "Marcus Welby, M.D." .... Paul (1 episode, 1969)
    ... aka Robert Young, Family Doctor
        - Don't Ignore the Miracles (1969) TV episode .... Paul
33. The Syndicate (1968) .... Burt Hickey
34. The Hand of Night (1968) .... Paul Carver
    ... aka Beast of Morocco (USA)
35. 2001: A Space Odyssey (1968) .... Dr. Heywood R. Floyd
36. You Only Live Twice (1967) (uncredited) .... Pentagon Official
    ... aka Ian Fleming's You Only Live Twice (UK: complete title) (USA: complete title)
37. "The Saint" .... Foots Fortunati / ... (2 episodes, 1965-1966)
        - Interlude in Venice (1966) TV episode .... Foots Fortunati
        - The Happy Suicide (1965) TV episode .... Ralph Damien
38. "The Troubleshooters" .... Al Stevens / ... (2 episodes, 1965-1966)
    ... aka Mogul (USA)
        - There's Nothing Like the Great Outdoors (1966) TV episode .... Brian Skinner
        - Kelly's Eye (1965) TV episode .... Al Stevens
39. "The Baron" .... Nick (1 episode, 1966)
        - Farewell to Yesterday (1966) TV episode .... Nick
40. Devils of Darkness (1965) .... Paul Baxter
    ... aka Talisman (Europe: English title: video box title)
41. "Emergency-Ward 10" .... Mr Simmons (1 episode, 1964)
    ... aka Calling Nurse Roberts (UK: alternative title)
        - Episode dated 20 November 1964 (1964) TV episode .... Mr Simmons
42. "The Hidden Truth" .... Quayle (1 episode, 1964)
        - One of the Hampshire Pargeters (1964) TV episode .... Quayle
43. Devil Doll (1964) .... Mark English
44. Ring of Spies (1964) .... Gordon Lonsdale
    ... aka Ring of Treason (USA)
    ... aka Shadow of Treason (USA)
45. "The Sentimental Agent" .... Shaw (1 episode, 1963)
        - The Scroll of Islam (1963) TV episode .... Shaw
46. "ITV Play of the Week" .... Ben Hubbard / ... (6 episodes, 1957-1963)
    ... aka Play of the Week (UK: short title)
        - The Touch of a Dead Hand (1963) TV episode
        - Danger Zone (1963) TV episode .... Bob Fellowes
        - Double Indemnity (1960) TV episode .... Walter Neff
        - Ebb Tide (1959) TV episode .... Capt. Davis
        - Johnny Belinda (1958) TV episode .... Locky McCormick
          (1 more)
47. "Jezebel ex UK" (1 episode, 1963)
        - The Long Cool Drop (1963) TV episode
48. "The Edgar Wallace Mystery Theatre" .... Vince Warren (1 episode, 1963)
    ... aka Edgar Wallace (UK: alternative title)
    ... aka Tales of Edgar Wallace (UK: alternative title)
        - Incident at Midnight (1963) TV episode .... Vince Warren
49. Blind Corner (1963) .... Paul Gregory
    ... aka Man in the Dark (USA)
50. "Ghost Squad" .... Brett (1 episode, 1961)
    ... aka G.S.5 (UK: third season title)
        - Death from a Distance (1961) TV episode .... Brett
51. Information Received (1961) .... Rick Hogan
52. Gorgo (1961) .... Sam Slade
53. Offbeat (1961) .... Layton/Steve Ross
    ... aka The Devil Inside (USA)
54. "Armchair Theatre" (3 episodes, 1957-1960)
        - Rain (1960) TV episode
        - The Cake Baker (1960) TV episode
        - Catch a Falling Star (1957) TV episode
55. "Danger Man" .... James Carpenter / ... (1 episode, 1960)
        - The Prisoner (1960) TV episode .... James Carpenter/Oscar Schumak
56. "Theatre 70" (1 episode, 1960)
        - The Man from Brooklyn (1960) TV episode
    
    
57. Whirlpool (1959) .... Hermann
58. Julius Caesar (1959) (TV) .... Antony
59. Dublin Nightmare (1958) .... John Kevin
60. "The Dickie Henderson Half-Hour" (1 episode, 1958)
    ... aka Jack Hylton Presents the Dickie Henderson Half Hour (UK: complete title)
        - Episode #1.6 (1958) TV episode
61. "BBC Sunday-Night Theatre" .... Lt. Barney Greenwald / ... (2 episodes, 1953-1958)
        - The Caine Mutiny Court-Martial (1958) TV episode .... Lt. Barney Greenwald
        - The Public Prosecutor (1953) TV episode .... Tallien Cabarrus
62. "ITV Television Playhouse" .... Mr. Black (1 episode, 1957)
        - The Staring Match (1957) TV episode .... Mr. Black
63. "The Schirmer Inheritance" .... George Carey (6 episodes, 1957)
        - Episode #1.6 (1957) TV episode .... George Carey
        - Episode #1.5 (1957) TV episode .... George Carey
        - Episode #1.4 (1957) TV episode .... George Carey
        - Episode #1.3 (1957) TV episode .... George Carey
        - Episode #1.2 (1957) TV episode .... George Carey
          (1 more)
64. High Tide at Noon (1957) .... Alec Douglas
65. "Assignment Foreign Legion" .... Tony (1 episode, 1956)
        - Finger Your Neck (1956) TV episode .... Tony
66. "Douglas Fairbanks, Jr., Presents" .... Henry Jefferson (1 episode, 1955)
    ... aka Matinee (UK: informal short title)
    ... aka Rheingold Theatre (USA)
        - Border Incident (1955) TV episode .... Henry Jefferson
67. Portrait of Alison (1955) .... Dave Forrester
    ... aka Postmark for Danger (USA)
68. The Stranger Came Home (1954) .... Philip Vickers
    ... aka The Unholy Four (USA)
69. What Every Woman Wants (1954) .... Jim Barnes
70. Albert R.N. (1953) .... Lt. 'Texas' Norton
    ... aka Break to Freedom (USA)
    ... aka Marlag 'O' Prison Camp (USA: promotional title)
    ... aka Spare Man
71. Appointment in London (1953) .... Major Mac Baker, U.S. Observer
    ... aka Raiders in the Sky (USA)
72. The Yellow Balloon (1953) .... Len, Crook who befriends Frankie
73. House of Blackmail (1953) .... Jimmy
    
    
74. Give Us This Day (1949) (as Bill Sylvester) .... Giovanni