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 Lester Neilson Writing Bryan Foy Production Willard Mack Writing Beatrice Van Writing William Jacobs Writing Joseph A. Valentine Camera