크레딧 출연 벨라 루고시 Degar Wallace Ford Tom Hartley Sally Blane Mary Rinehart Bryant Washburn John Rinehart Tully Marshall Richard Rinehart Gertrude Michael Sarah Rinehart George Meeker Prof. Arthur Hornsby Marius Frey Sika Matt McHugh Detective Bailey Edwin Maxwell The Maniac Oscar Smith Martin 스텝 Benjamin Stoloff Directing Arthur Hilton Editing Bryan Foy Production Lester Neilson Writing William Jacobs Writing Beatrice Van Writing Willard Mack Writing Joseph A. Valentine Camera