Allen Colby, heir to a huge fortune, is presumed drowned after an ocean liner sinks off the coast of Honolulu. Mysteriously, Colby reappears at his mansion only to be murdered soon after. When his body is discovered during a seance, everyone in attendance becomes a suspect, and it's up to Chan to find the murderer before he or she strikes again.
Unfortunately the movie Charlie Chan's Secret is not yet available on Disney Plus.
| Directing | Gordon Wiles | Director |
| Writing | Joseph Hoffman | Dialogue |
| Editing | Nick DeMaggio | Editor |
| Art | Duncan Cramer | Art Direction |
| Art | Albert Hogsett | Art Direction |
| Costume & Make-Up | Helen A. Myron | Costume Design |
| Sound | Samuel Kaylin | Music |
| Production | John Stone | Producer |
| Camera | Rudolph Maté | Director of Photography |
| Production | Sol M. Wurtzel | Executive Producer |
| Writing | Robert Ellis | Screenplay |
| Writing | Helen Logan | Screenplay |
| Writing | Earl Derr Biggers | Characters |
