Casts
Warner Oland
as Charlie Chan
Boris Karloff
as Gravelle
Keye Luke
as Lee Chan
William Demarest
as Sergeant Kelly
Guy Usher
as Inspector Regan
Margaret Irving
as Mme. Lilli Rochelle
Gregory Gaye
as Enrico Borelli
Nedda Harrigan
as Mme. Lucretia Borelli
Frank Conroy
as Mr. Whitely
Charlotte Henry
as Mlle. Kitty
