Name	Known for
Martin Landau Commander John Koenig Commander John Koenig See fewer	Ed Wood (1994)
Barbara Bain Dr. Helena Russell Dr. Helena Russell See fewer	Mission: Impossible (1966)
Barry Morse Professor Victor Bergman Professor Victor Bergman See fewer	Whoops Apocalypse (1982)
Ian McShane Anton Zoref Anton Zoref See fewer	Deadwood (2004)
Gay Hamilton Eva Zoref Eva Zoref See fewer	A Challenge for Robin Hood (1967)
Prentis Hancock Paul Morrow Paul Morrow See fewer	Spy Trap (1972)
Clifton Jones David Kano David Kano See fewer	Watership Down (1978)
Zienia Merton Sandra Benes Sandra Benes See fewer	Space: 1999 (1975)
Anton Phillips Dr. Bob Mathias Dr. Bob Mathias See fewer	Space: 1999 (1975)
Nick Tate Alan Carter Alan Carter See fewer	Space: 1999 (1975)
John Hamill Mark Dominix Mark Dominix See fewer	Doing the Best I Can (1974)
Eva Reuber-Staier Jane (as Eva Rueber-Staier) Jane (as Eva Rueber-Staier) See fewer	The Spy Who Loved Me (1977)
Tony Allyn Security Guard Tony Allan (uncredited) Security Guard Tony Allan (uncredited) See fewer	Stone (1974)
Emily Bolton Operative June (uncredited) Operative June (uncredited) See fewer	Moonraker (1979)
Lea Brodie Hilary Preston (uncredited) Hilary Preston (uncredited) See fewer	North Sea Hijack (1980)
Sarah Bullen Main Mission Operative Kate Bullen (uncredited) Main Mission Operative Kate Bullen (uncredited) See fewer	The Fourth Protocol (1987)
Loftus Burton Main Mission Operative Lee Oswald (uncredited) Main Mission Operative Lee Oswald (uncredited) See fewer	My North Kensington - Reflections & Recollections (2021)
Maxwell Craig Main Mission Operative (uncredited) Main Mission Operative (uncredited) See fewer	The Bullet Machine (1970)
Andy Dempsey Main Mission Operative (uncredited) Main Mission Operative (uncredited) See fewer	Thirty-Minute Theatre (1965)
Alan Harris Main Mission Operative (uncredited) Main Mission Operative (uncredited) See fewer	Hellraiser (1987)
Raymond Harris Main Mission Operative (uncredited) Main Mission Operative (uncredited) See fewer	Three for All (1975)
Barbara Kelly Computer Voice (voice) (uncredited) Computer Voice (voice) (uncredited) See fewer	H.M. Tennent Globe Theatre (1956)
Robert Phillips Main Mission Operative (uncredited) Main Mission Operative (uncredited) See fewer	Blondi
Quentin Pierre Security Guard (uncredited) Security Guard (uncredited) See fewer	Oblivion (I) (2013)
Suzanne Roquette Tanya Aleksandr (uncredited) Tanya Aleksandr (uncredited) See fewer	Band of Brothers (2001)
Maureen Tan Nurse (uncredited) Nurse (uncredited) See fewer	Red Faction (2001)
Vincent Wong Medic (uncredited) Medic (uncredited) See fewer	Batman Begins (2005)