크레딧 출연 Jack Holt Jack Hart aka Quinn Constance Cummings Julie Arnold 보리스 칼로프 Jim Henderson Claude King Arnold Bertha Mann Nurse Edwards Edward Van Sloan Dr. August Steiner / Dr. Alec Munsell / Mr. X Willard Robertson Capt. E.J. Hawkes Thomas E. Jackson Agent Burke Martha Mattox Hotel Ansonia Maid Jessie Arnold Eastland Hospital Nurse Harry Tenbrook Man in Black / Henchman in Boat 스텝 John Francis Dillon Directing Jo Swerling Writing Jo Swerling Writing Harry Cohn Production Ted Tetzlaff Camera Otis Garrett Editing Edward Sloman Directing