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.
Harry Lachman | Director |
Earl Derr Biggers | Characters |
Robert Ellis | Writer |
John Stone | Associate Producer |
Helen Logan | Screenplay |
Daniel B. Clark | Director of Photography |
Duncan Cramer | Art Direction |
William Eckhardt | Assistant Director |
Alex Troffey | Editor |
William Lambert | Costume Supervisor |