Lost In Space Cast & Guest Stars
Guy Williams
Professor John Robinson / Anti-matter John Robinson
84 episodes
June Lockhart
Maureen Robinson
84 episodes
Mark Goddard
Major Don West / Anti-matter Don West
84 episodes
Marta Kristen
Judy Robinson
84 episodes
Jonathan Harris
Dr. Zachary Smith / Zeno / Daddy Zach
83 episodes
Angela Cartwright
Penny Robinson
84 episodes
Bill Mumy
Will Robinson
84 episodes
Bob May
The Robot (body)
82 episodes
Dick Tufeld
The Robot (voice)
84 episodes
Guest Stars
Fritz Feld
Mr. Zumdish
3 episodes
Dee Hartford
Verda / Nancy Pi Squared
3 episodes
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