To solve the murder of a man shot in a locked room, Chan must wade through a Fun House, the writings of an unscrupulous author, and chess pieces.
| Actor | Role |
|---|---|
 Sidney TolerCharlie Chan | Charlie Chan |
 Joan WoodburyLeah Manning | Leah Manning |
 Mantan MorelandBirmingham Brown, Taxi Driver | Birmingham Brown, Taxi Driver |
 Benson FongTommy Chan, #3 Son | Tommy Chan, #3 Son |
 Ian KeithDr. Paul Recknik | Dr. Paul Recknik |
 Sam FlintThomas P. Manning | Thomas P. Manning |
 Cy KendallGeorge Webster Deacon | George Webster Deacon |
 Weldon HeyburnDetective Lt. Harvey Dennis | Detective Lt. Harvey Dennis |
 Anthony WardeCatlen | Catlen |
 John DavidsonCarl Karzoff / Kurt Karzoff | Carl Karzoff / Kurt Karzoff |
 Dewey RobinsonSalos | Salos |
 I. Stanford JolleyGannet | Gannet |
 Betty BlytheMrs. Manning | Mrs. Manning |
 Jack NortonHotel Desk Clerk | Hotel Desk Clerk |
| LLuke ChanWu Song | Wu Song |