Overview
The first manned expedition to Mars is invaded by an unknown life form, which stows away on the rescue ship.
Cast
- Marshall Thompson as Carruthers
- Shirley Patterson as Ann Anderson
- Kim Spalding as Van Heusen
- Ann Doran as Mary Royce
- Dabbs Greer as Eric Royce
- Paul Langton as Calder
- Robert Bice as Purdue
- Richard Benedict as Bob Finelli
- Richard Hervey as Gino
- Thom Carney as Kienholz