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...
Elenco:
Marshall Thompson
,
Shirley Patterson
,
Kim Spalding
,
Ann Doran
,
Dabbs Greer
,
Paul Langton
,
Robert Bice
,
Richard Benedict
,
Richard Hervey
,
Thom Carney
,
Ray Corrigan
.
