Space: 1999

The Infernal Machine (Season 1, Episode 18)

TV-14

TV Episode | 50 min | Adventure, Drama, Sci-Fi

The Alphans encounter Delmer Plebus Powells Gwent, a huge spacecraft which defies aerodynamics and is an extension of Gwent's genius and ego.

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Cast	+ Add Cast
15 cast members

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)
Leo McKern Companion Gwent Companion Gwent See fewer	Ladyhawke (1985)
Clifton Jones David Kano David Kano See fewer	Watership Down (1978)
Zienia Merton Sandra Benes Sandra Benes See fewer	Space: 1999 (1975)
Nick Tate Alan Carter Alan Carter See fewer	Killer Elite (2011)
Gary Waldhorn Winters Winters See fewer	Victory (1981)
Tony Allyn Security Guard Tony Allan (uncredited) Security Guard Tony Allan (uncredited) See fewer	Stone (1974)
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)
Andy Dempsey Main Mission Operative (uncredited) Main Mission Operative (uncredited) See fewer	Thirty-Minute Theatre (1965)
Barbara Kelly Computer (uncredited) Computer (uncredited) See fewer	H.M. Tennent Globe Theatre (1956)
Quentin Pierre Security Guard (uncredited) Security Guard (uncredited) See fewer	Deep Impact (1998)
Michael Stevens Main Mission Operative (uncredited) Main Mission Operative (uncredited) See fewer	UFO (1970)