John Harlow Director Ben Lyon Phil Danton Actor Anne Crawford Mary Actor David Farrar Tom Danton Actor Herbert Lom Stephen Torg Actor Frederick Burtwell Willie Wainwright Actor William Hartnell Jim Towers Actor Josephine Wilson Dora Shogun Actor Elsie Wagstaff Eve Actor J.H. Roberts Dr. Wilson Actor Aubrey Mallalieu Doctor Actor Patricia Laffan Nurse (uncredited) Actor Brock Williams Screenwriter Reginald Purdell Screenwriter Max Milder Producer Otto Heller Cinematographer Terence Fisher Film Editing Jack Beaver Original Music Norman Arnold Art Director