Directed by
| Irving Cummings | ||
Writing Credits
| Earl Derr Biggers | ... | (novel) |
| George Middleton | ... | (adaptation) |
| Clarke Silvernail | ... | (scenario) and |
| Sonya Levien | ... | (scenario) |
| Wilbur Morse Jr. | ... | (titles) |
Cast (in credits order) verified as complete
| Warner Baxter | ... | Colonel John Beetham | |
| Lois Moran | ... | Eve Mannering Durand | |
| Gilbert Emery | ... | Sir Frederick Bruce (as Gilbert Emory) | |
| Claude King | ... | Sir George Mannering | |
| Philip Strange | ... | Eric Durand | |
| Boris Karloff | ... | Beetham's Manservant | |
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Jamiel Hasson | ... | Sahib Hana |
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Peter Gawthorne | ... | British Police Inspector |
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John Rogers | ... | Alf Pornick |
| Edgar Norton | ... | Hilary Galt | |
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Frank Finch Smiles | ... | Galt's Clerk |
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Mercedes De Valasco | ... | Nuna |
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E.L. Park | ... | Police Insp. Charlie Chan |
| Rest of cast listed alphabetically: | |||
| Bess Flowers | ... | Lecture Audience (uncredited) | |
| Kathrin Clare Ward | ... | Eve's Landlady (uncredited) | |
| Florence Wix | ... | Lecture Attendee (uncredited) | |
Produced by
| Irving Cummings | ... | producer |
Cinematography by
| Conrad Wells | ||
| Vincent J. Farrar | ... | (uncredited) |
| Dave Ragin | ... | (uncredited) |
Editing by
| Alfred DeGaetano | ||
Set Decoration by
| William S. Darling | ||
Costume Design by
| Sophie Wachner | ||
Second Unit Director or Assistant Director
| Charles Woolstenhulme | ... | assistant director (uncredited) |
Sound Department
| George P. Costello | ... | sound recordist (as George Costello) |
Additional Crew
| William Fox | ... | presenter |