Directed by
| Phil Rosen | ||
Writing Credits
| Earl Derr Biggers | ... | (characters) |
| George Callahan | ... | (original screenplay) |
Cast (in credits order) verified as complete
| Sidney Toler | ... | Charlie Chan | |
| Mantan Moreland | ... | Birmingham Brown | |
| Frances Chan | ... | Frances Chan | |
| Joseph Crehan | ... | Police Sgt. Matthews | |
 |
Helen Beverley | ... | Norma Duncan / Nancy Wood |
| Jacqueline deWit | ... | Justine Bonner | |
| Geraldine Wall | ... | Harriet Green | |
| Ralph Peters | ... | Officer Rafferty | |
| Frank Jaquet | ... | Paul Hamlin | |
| Edward Earle | ... | Dawson, Police Lab | |
| Claudia Dell | ... | Vera Starkey | |
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Harry Depp | ... | Charles Edwards |
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Charles Jordan | ... | Tom Starkey |
| Dick Gordon | ... | William Bonner (as Richard Gordon) | |
| Rest of cast listed alphabetically: | |||
| Darby Jones | ... | Johnson (uncredited) | |
| George Morrell | ... | Man at Elevator (uncredited) | |
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Dick Rush | ... | Policeman (uncredited) |
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Crane Whitley | ... | Bonner (uncredited) |
Produced by
| James S. Burkett | ... | producer |
| Philip N. Krasne | ... | producer |
Music by
| Alexander Laszlo | ||
Cinematography by
| Arthur Martinelli | ||
Editing by
| John F. Link Sr. | ... | (as John Link) |
Art Direction by
| Dave Milton | ||
Set Decoration by
| Albert Greenwood | ... | (as Al Greenwood) |
Production Management
| Richard L'Estrange | ... | production manager (as Dick L'Estrange) |
Second Unit Director or Assistant Director
| Bobby Ray | ... | assistant director |
Art Department
| Sam Gordon | ... | props |
Sound Department
| Max M. Hutchinson | ... | sound (as Max Hutchinson) |
Camera and Electrical Department
| George Booker | ... | grip |
| Earl Crowley | ... | still photographer |
| Dave Smith | ... | camera operator |
| Monte Steadman | ... | assistant camera |
| Joe Wharton | ... | gaffer |
Costume and Wardrobe Department
| Harry Bourne | ... | wardrobe |
| Eugene Joseff | ... | costume jeweller (uncredited) |
Music Department
| David Chudnow | ... | musical director |
Script and Continuity Department
| Marie Messinger | ... | script girl |
