Calificación
Reparto

Scott Brady
Commander Wayne

Sheree North
Dr. Rene Peron

Gary Merrill
Dr. LaSatier

John Howard
Dr. James

Wende Wagner
Sandra Welles

Mike Road
Hugh Maddox

William Thourlby
Tex

Biff Elliot
Dr. Wilson

Roy Barcroft
Skipper

James Hong
Ho Lee

Glenn Sipes
Mike

Richard Niles
Ellis

Ron Burke
The Thing