크레딧 출연 Chester Morris Detective Anderson Chance Ward Police lieutenant Una Merkel Dale Van Gorder Richard Tucker Mr. Bell Wilson Benge The Butler DeWitt Jennings Police Captain Sidney D'Albrook Police Sergeant S.E. Jennings Man in Black Mask Grayce Hampton Miss Cornelia van Gorder Maude Eburne Lizzie Allen Spencer Charters The Caretaker William Bakewell Brook Gustav von Seyffertitz Dr. Venrees Hugh Huntley Richard Fleming Charles Dow Clark Detective Jones Ben Bard The Unknown 스텝 Roland West Directing Mary Roberts Rinehart Writing Avery Hopwood Writing Roland West Writing Joseph M. Schenck Production Ray June Camera Robert H. Planck Camera Hal C. Kern Editing James Smith Editing Paul Crawley Art S.E. Jennings Costume & Make-Up Helen Hallett Production Roger Heman Sr. Directing Oscar Lagerstrom Sound