In San Francisco's Chinatown, Charlie helps two different people search for their missing relatives and uncovers a murder for insurance scheme.
| Actor | Role |
|---|---|
 Sidney TolerCharlie Chan | Charlie Chan |
 Mantan MorelandBirmingham Brown | Birmingham Brown |
 Victor Sen YungJimmy Chan | Jimmy Chan |
 Tanis ChandlerMary Conover | Mary Conover |
 John GallaudetCraig Winfield | Craig Winfield |
 Paul BryarMike Rogan | Mike Rogan |
 Bruce KelloggJack Tilford | Jack Tilford |
 Al BridgeCaptain Allen | Captain Allen |
 Mary GordonMrs. Conover | Mrs. Conover |
 Dorothy GrangerJoan Mercer | Joan Mercer |
 Jack NortonCosgrove | Cosgrove |
 George EldredgeChief Lannigan | Chief Lannigan |
| TTyra VaughnMiss Chalmers | Miss Chalmers |
 Lyle LatellPolice Clerk | Police Clerk |
 Mira McKinneyKate Johnson | Kate Johnson |