The space family Robinson is sent on a five-year mission to find a new planet to colonise. The voyage is sabotaged time and again by an inept stowaway, Dr. Zachary Smith. The family's spaceship, Jupiter II, also carries a friendly robot who endures an endless stream of abuse from Dr. Smith, but is a trusted companion of young Will Robinson
Guy Williams
Dr. John Robinson
June Lockhart
Dr. Maureen Robinson
Mark Goddard
Major Don West
Marta Kristen
Judy Robinson
Angela Cartwright
Penny Robinson
Bill Mumy
Will Robinson
Jonathan Harris
Dr. Zachary Smith
Dick Tufeld
Robot B-9
Bob May
Robot B-9
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Dawson Palmer
Cosmic Monster
Fritz Feld
Mr. Zumdish
Sheila Allen
Ruth Templeton
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Ron Gans
Frog Alien (voice)
Dee Hartford
Nancy Pi Squared
Leonard Stone
Farnum
Albert Salmi
Captain Alonzo P. Tucker
Michael Rennie
The Keeper
Vitina Marcus
Athena
Michael Fox
Cybernetic Leader / Supreme Brain (voice)
Don Matheson
IDAK Alpha 12
Joe E. Tata
Purple Robot (voice)
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Don Forbes
TV Commentator
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Theodore Lehmann
Disk (voice)
Gregory Morton
Canto of Quasti (voice)
Allan Melvin
Little Joe / Gambling Machine (voice)
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Tiger Joe Marsh
Security Guard
Hoke Howell
Security Guard
Sue England
Female Robot (voice)
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William Bramley
Mr. Nobody
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Keith Taylor
Edgar
Robert Foulk
Kraspo
Marcel Hillaire
Junkman
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Fred Krone
Monster
Ted Cassidy
Slave
Melinda O. Fee
Fenestra
Wally Cox
Tiabo
Dennis Patrick
Keema
Strother Martin
Nerim
Mike Kellin
Myko
Henry Jones
Jeremiah Smith
Gerald Mohr
Morbus
👤
Mickey Manners
Dee
Torin Thatcher
The Space Trader
Michael J. Pollard
The Boy
Michael Ansara
The Ruler
Hans Conried
Sagramonte
👤
Wilbur Evans
Lighted Head Leader
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Lamar Lundy
The Giant Cyclops
John Carradine
Arcon
Sean McClory
Hamish
