Samuel Fuller Director, Writer, Producer, Cinematographer Peter Breck Johnny Barrett Actor Constance Towers Cathy Actor Gene Evans Boden Actor James Best Stuart Actor Hari Rhodes Trent Actor Larry Tucker Pagliacci Actor Bill Zuckert 'Swanee' Swanson Actor Philip Ahn Dr. Fong Actor Neyle Morrow Psycho Actor John Matthews Dr. L.G. Cristo Actor Chuck Roberson Wilkes Actor John Craig Lloyd Actor Frank Gerstle Lt. Kane Actor Paul Dubov Dr. J.L. Menkin Actor Rachel Romen Singing nympho Actor Linda Randolph Dance teacher in therapy class Actor Barbara Perry Actor Marlene Manners Actor Lucille Curtis Actor Jeanette Dana Actor Marie Devereux Nympho Actor Karen Conrad Actor Allyson Daniell Actor Chuck Hicks Tough attendant Actor Wally Campo Actor Ray Baxter Actor Linda Barnett Actor Harry Fleer Actor Sam Firks Producer Leon Fromkess Producer Stanley Cortez Cinematographer Jerome Thoms Film Editing Paul Dunlap Original Music Eugène Lourié Art Director Charles S. Thompson Set Decoration Einar Bourman Costume Design Dan Greenway Makeup Supervisor Rudolph C. Flothow Production Manager Floyd Joyer Assistant Director