Science Fiction / Horror /

Score: 58.7%( 106 votes )

Overview: The first manned expedition to Mars is invaded by an unknown life form, which stows away on the rescue ship.

Cast:

Marshall Thompson
Carruthers

Shirley Patterson
Ann Anderson

Kim Spalding
Van Heusen

Ann Doran
Mary Royce

Dabbs Greer
Eric Royce

Paul Langton
Calder

Robert Bice
Purdue

Richard Benedict
Bob Finelli

Richard Hervey
Gino

Thom Carney
Kienholz

Ray Corrigan
It