Space: 1999 Guardian of Piri (Season 1, Episode 11)
TV-14
TV Episode | 50 min | Adventure, Drama, Sci-Fi

Space: 1999

Guardian of Piri (Season 1, Episode 11)

TV-14

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

Contact is made with the planet Piri, where the main computer created an idyllic life that led to extinction of its population through apathy. Now John Koenig must fight to save Alpha as his people fall under the same fate.

Director

Charles Crichton

Writers

Gerry Anderson (series creator) | Sylvia Anderson (series creator)

Producer

Sylvia Anderson

Composer

Barry Gray

Cinematographer

Frank Watts

Editor

Derek Chambers (as Derek Hyde Chambers)

Casting Director

Michael Barnes

Production Designer

Keith Wilson

See all filmmakers & crew (31)

Edit Released

Updated Oct 22, 1975

Release date

Oct 22, 1975 (United States)

Awards

Series awards

1 nomination

Contacts

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Cast	+ Add Cast
30 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)
Catherine Schell Servant of the Guardian Servant of the Guardian See fewer	On Her Majesty's Secret Service (1969)
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)
Michael Culver Pete Irving Pete Irving See fewer	Star Wars: Episode V - The Empire Strikes Back (1980)
Trevor Ainsley Technician (uncredited) Technician (uncredited) See fewer	Double Exposure (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)
Loftus Burton Main Mission Operative Lee Oswald (uncredited) Main Mission Operative Lee Oswald (uncredited) See fewer	My North Kensington - Reflections & Recollections (2021)
Maxwell Craig Security Guard (uncredited) Security Guard (uncredited) See fewer	The Bullet Machine (1970)
Andy Dempsey Main Mission Operative (uncredited) Main Mission Operative (uncredited) See fewer	Thirty-Minute Theatre (1965)
Christine Donna Main Mission Operative (uncredited) Main Mission Operative (uncredited) See fewer	Au Pair Girls (1972)
Joe Dunne Security Guard (uncredited) Security Guard (uncredited) See fewer	Mercury Rising (1998)
Roy Everson Partying Alphan (uncredited) Partying Alphan (uncredited) See fewer	The Name of the Rose (1986)
James Fagan Ken Johnson (uncredited) Ken Johnson (uncredited) See fewer	I, Claudius (1976)
John Gleeson Voice of Davis (uncredited) Voice of Davis (uncredited) See fewer	Doctor Who (1963)
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)
Gareth Hunt Eagle Pilot (uncredited) Eagle Pilot (uncredited) See fewer	Fierce Creatures (1997)
Barbara Kelly Computer Voice (voice) (uncredited) Computer Voice (voice) (uncredited) See fewer	H.M. Tennent Globe Theatre (1956)
Juliet King Nurse (uncredited) Nurse (uncredited) See fewer	The Goodies (1970)
John Lee Barber Ed Davis (uncredited) Ed Davis (uncredited) See fewer
Quentin Pierre Security Guard Pierce (uncredited) Security Guard Pierce (uncredited) See fewer	Oblivion (I) (2013)
Suzanne Roquette Tanya Aleksandr (uncredited) Tanya Aleksandr (uncredited) See fewer	Band of Brothers (2001)
Michael Stevens Main Mission Operative (uncredited) Main Mission Operative (uncredited) See fewer	UFO (1970)