Full Cast
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Marilyn Hanold
Princess Marcuzan
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James Karen
Dr. Steele
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Lou Cutell
Dr. Nadir
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Nancy Marshall
Karen Grant
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David Kerman
General Bowens
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Robert Reilly
Col. Frank Saunders / Frankenstein
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Robert Alan Browne
Martian Crewmember (uncredited)
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Robert Fields
Reporter (uncredited)
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Bruce Glover
Martian Crewmember / The Monster (uncredited)
