크레딧 출연 Donald Meek Dr. Crabtree John Hamilton Insp. Carr Robert Middlemass Boris Seminoff Thelma Tipson Dolly Demarest Walter Fenner Ian Stevens Jane Bramley Mae Norton Frank McNellis Monitor Man (uncredited) Harry Tyler Assistant Director (uncredited) Herschel Mayall Medical Examiner (uncredited) 스텝 Joseph Henabery Directing Burnet Hershey Writing S.S. Van Dine Writing Edwin B. DuPar Camera