Name	Known for
Alan Gifford Harry J. Pardoe Harry J. Pardoe See fewer	2001: A Space Odyssey (1968)
Betty McDowall Margo Pardoe Margo Pardoe See fewer	The Omen (1976)
Barry Keegan Captain Friar Captain Friar See fewer	The Citadel (1960)
Alan Downer Third Officer Crane Third Officer Crane See fewer	Triton (1968)
Kirk Martin Michael, Harry's Son Michael, Harry's Son See fewer	The Spread of the Eagle (1963)
Larry Burns Steward Steward See fewer	Scott of the Antarctic (1948)
Tudor Evans Pilot Pilot See fewer	On Trial (1960)
W.H. Williams Watchman Watchman See fewer	How Green Was My Valley (1960)
Norman Wynne Ship's Cook Ship's Cook See fewer	The Avengers (1961)
Brenda Dunrich Helena Helena See fewer	BBC Sunday-Night Theatre (1950)
Ray Handy Party Guest Party Guest See fewer	Moulded in Earth (1965)
Edward Colliver Party Guest Party Guest See fewer	Doctor Who (1963)
Bill Meilen Party Guest Party Guest See fewer	The Ray Bradbury Theater (1985)