It! The Terror from Beyond Space (1958)

Director: Edward L. Cahn

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