A dangerous amnesiac escapes from an asylum, hides in the opera house, and is suspected of getting revenge on those who tried to murder him 13 years ago.

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
CinemaSerf
I think this might well be my favourite outing for our Hawaiian super sleuth. This time, Warner Oland must investigate some very suspicious goings on in a theatre. Unbeknown to all of us, this theatre has it's very own phantom... but whom? Why? Well, that's all rather entertainingly explained over t...