In 1973, the first manned expedition to Mars is marooned; by the time a rescue mission arrives, there is only one survivor: the leader, Col. Edward Carruthers, who appears to have murdered the others! According to Carruthers, an unknown life form killed his comrades during a sandstorm. But the skeptical rescuers little suspect that "it" has stowed away for the voyage back to Earth...
Shirley Patterson | Ann Anderson | |
Kim Spalding | Van Heusen | |
Ann Doran | Mary Royce | |
Dabbs Greer | Eric Royce | |
Paul Langton | Calder | |
Robert Bice | Purdue |
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