크레딧 출연 Warner Oland Charlie Chan 보리스 칼로프 Gravelle Keye Luke Lee Chan William Demarest Sergeant Kelly Guy Usher Inspector Regan Margaret Irving Mme. Lilli Rochelle Gregory Gaye Enrico Borelli Nedda Harrigan Mme. Lucretia Borelli Frank Conroy Mr. Whitely Charlotte Henry Mlle. Kitty Thomas Beck Phil Childers Maurice Cass Mr. Arnold Tom McGuire Pop Morris - Stage Doorman Marc Lawrence Undetermined Minor Role (uncredited) (unconfirmed) Joan Woodbury Dancer in Opera (uncredited) William Bailey Detective (uncredited) Charles Bancroft Soldier in Opera (uncredited) John Bleifer Murdered Orderly (uncredited) Stanley Blystone Backstage Cop Who Shoots Gravelle (uncredited) Myrta Bonillas Villager in Opera (uncredited) Raymond Brown Guard (uncredited) Carita Crawford Dancer in Opera (uncredited) Patrick Cunning Villager in Opera (uncredited) Zari Elmassian Mme. Rochelle (singing voice) (uncredited) Frank Fanning Cop (uncredited) Jim Farley Detective (uncredited) Adolph Faylauer Opera Spectator (uncredited) Larry Fisher Cop (uncredited) Benson Fong Opera Supernumerary (uncredited) J. C. Fowler Opera Spectator (uncredited) Otto Fries Innkeeper (uncredited) Bud Geary Cop (uncredited) Milton Gowman Villager in Opera (uncredited) Herschel Graham Villager in Opera (uncredited) Harrison Greene Detective (uncredited) Julia Griffith Opera Spectator (uncredited) 스텝 H. Bruce Humberstone Directing Charles Belden Writing Earl Derr Biggers Writing Sol M. Wurtzel Production Oscar Levant Sound Lucien N. Andriot Camera Alex Troffey Editing Herschel McCoy Costume & Make-Up