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