Directed by
| John G. Blystone | ||
Writing Credits (in alphabetical order)
| Earl Derr Biggers | ... | (novel) (added suggestions) |
| Barry Conners | ||
| Philip Klein | ||
Cast (in credits order) complete, awaiting verification
| Warner Oland | ... | Charlie Chan | |
| Alexander Kirkland | ... | John R. Douglas | |
| H.B. Warner | ... | Inspector Fife | |
| Marian Nixon | ... | Shirley Marlowe | |
| Linda Watkins | ... | Gloria Garland | |
| James Kirkwood | ... | Inspector Flannery | |
| Ralph Morgan | ... | Barry Kirk | |
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James Todd | ... | Kenneth Dunwood |
| Herbert Bunston | ... | Garrick Enderly | |
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James Wang | ... | Kee-Lin |
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Joe Brown | ... | Doctor |
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Charles McNaughton | ... | Paradise |
| Edward Peil Sr. | ... | Li Gung | |
| Rest of cast listed alphabetically: | |||
| William P. Carleton | ... | (uncredited) | |
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Thomas A. Curran | ... | (uncredited) |
| Tom Kennedy | ... | Hawkins, Man in Police Line-Up (uncredited) | |
Produced by
| Joseph H. August | ... | producer |
Cinematography by
| Joseph H. August | ||
Editing by
| Alex Troffey | ||
Costume Design by
| David Cox | ... | (uncredited) |
Sound Department
| Albert Protzman | ... | sound (as Al Protzman) |
Camera and Electrical Department
| Alexander Kahle | ... | still photographer (uncredited) |
| Harry Webb | ... | assistant camera (uncredited) |