Charlie Chan
Alice Lowell
Dick Williams
Mrs. Henrietta Lowell
Fred Gage
Janice Lowell Gage
Baxter
Ulrich
Madame Carlotta Bowen
Morton of Homicide
Professor Bowen
Warren T. Phelps
Allen Colby
Det. Harris
Captain of salvage ship
Policeman
Fingerprint man
Coroner
