Directed by
| Harry Lachman | ||
Writing Credits
| John Francis Larkin | ... | (original screenplay) (as John Larkin) |
| Earl Derr Biggers | ... | (character) |
Cast (in credits order) verified as complete
| Sidney Toler | ... | Charlie Chan | |
| Arleen Whelan | ... | Brenda Hartford | |
| Richard Derr | ... | Carl Detheridge | |
| Douglass Dumbrille | ... | Paul Manderley (as Douglas Dumbrille) | |
| Henry Daniell | ... | Watson King | |
| Edmund MacDonald | ... | Walter Hartford | |
| Victor Sen Yung | ... | Jimmy Chan (as Sen Yung) | |
| Lenita Lane | ... | Lucy Manderley | |
| Ethel Griffies | ... | Madame Saturnia | |
| Milton Parsons | ... | Arthur Fletcher | |
| Steven Geray | ... | Dr. Retling (as Steve Geray) | |
| Lucien Littlefield | ... | Gleason | |
| Rest of cast listed alphabetically: | |||
| Oliver Blake | ... | Wigley - Hotel Owner (uncredited) | |
| George Chandler | ... | Bus Driver (uncredited) | |
| Paul Kruger | ... | Bodyguard (uncredited) | |
| Tex Phelps | ... | Prospector (uncredited) | |
 |
Eric Wilton | ... | Wilson (uncredited) |
Produced by
| Ralph Dietrich | ... | producer |
Music by
| David Buttolph | ... | (uncredited) |
| Cyril J. Mockridge | ... | (uncredited) |
Cinematography by
| Virgil Miller | ||
Editing by
| John Brady | ||
Art Direction by
| Lewis H. Creber | ... | (as Lewis Creber) |
| Richard Day | ||
Set Decoration by
| Thomas Little | ||
Costume Design by
| Herschel McCoy | ... | (as Herschel) |
Production Management
| William Koenig | ... | production manager |
Second Unit Director or Assistant Director
| Hal Herman | ... | assistant director |
| Saul Wurtzel | ... | assistant director |
Sound Department
| Bernard Freericks | ... | sound |
| Harry M. Leonard | ... | sound |
Costume and Wardrobe Department
| Sam Benson | ... | wardrobe supervisor (uncredited) |
| Eugene Joseff | ... | costume jeweller (uncredited) |
Music Department
| Emil Newman | ... | musical director |
| Edward B. Powell | ... | orchestrator (uncredited) |
| Conrad Salinger | ... | orchestrator (uncredited) |
Additional Crew
| Harry Brand | ... | director of publicity (uncredited) |
| George Wright | ... | dialogue director (uncredited) |
