Malcolm St. Clair Director Rochelle Hudson Ann Garrison Actor Jack Haley Danny Decker Actor Arthur Treacher Carter Actor Eugene Pallette Raymond Q. Nash Actor Douglas V. Fowley Duke Stacey Actor John Qualen Sleepy Actor Maurice Cass Fingerprint Expert Actor Wallis Clark Ralph Wilkinson - G-Man Actor Tom Kennedy Pete Actor Samuel G. Engel Screenwriter Barney McGill Cinematographer Louis R. Loeffler Film Editing Lewis H. Creber Art Director Herschel McCoy Costume Design