George Edwards
Producer Michael A. Hoey
Director Roger Corman
Producer Jon Hall
Director Arthur C. Pierce
Director

Anthony Eisley
Lt. Charles Brown Mamie Van Doren
Nora Hall Edward Faulkner
Bob Spaulding Walter Sande
Dr. Arthur Beecham Bobby Van
Ens. Rutherford Chandler Billy Gray
CPO Fred Twining Kaye Elhardt
Diane Pamela Mason
Marie Russ Bender
McBride Taggart Casey
Warr. Off. Holly Hollister Biff Elliot
Cmdr. Arthur Simpson David Brandon

Stanley Cortez
Director of Photography Michael A. Hoey
Screenplay George White
Editor Murray Leinster
Novel Arthur C. Pierce
Writer