Lee Sholem Director Mark Dana Capt. Storm Actor Ziva Rodann Simira Actor Diane Brewster Sylvia Quentin Actor George N. Neise Robert Quentin Actor Alvaro Guillot Numar Actor Ben Wright Walter Andrews Actor Guy Prescott Dr. Michael Farraday Actor Terence de Marney Sgt. Smolett Actor Richard Peel Sgt. Gromley Actor Kurt Katch Hans Brecht Actor Robert Fortin Claude Beauchamp Actor Howard W. Koch Producer Richard H. Landau Screenwriter Aubrey Schenck Executive Producer William Margulies Cinematographer George A. Gittens Film Editing Les Baxter Original Music Clarence Steenson Set Decoration