While visiting the circus with his family, Charlie is recruited by the big top's co-owner to investigate threatening letters that he's received.
Charlie Chan
Lee Chan
Hal Blake
Louise Norman
John Gaines
Tom Holt
Joe Kinney
Dan Farrell
Nellie Farrell
Lt. Macy
Su Toy
Colonel Tim
Lady Tiny
Marie Norman
Mike - Ticket Taker
Director
Writer
Characters
Director of Photography
Editor
Associate Producer
Music Director
Art Direction
Costume Supervisor
Assistant Director
Screenplay
Sound
