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.
Videos
Casting arrow_drop_down
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
Thomas Beck as Phil Childers
Maurice Cass as Mr. Arnold
Tom McGuire as Pop Morris - Stage Doorman
Marc Lawrence as Undetermined Minor Role (uncredited) (unconfirmed)
Joan Woodbury as Dancer in Opera (uncredited)
William Bailey as Detective (uncredited)
Charles Bancroft as Soldier in Opera (uncredited)
John Bleifer as Murdered Orderly (uncredited)
Stanley Blystone as Backstage Cop Who Shoots Gravelle (uncredited)
Myrta Bonillas as Villager in Opera (uncredited)
Raymond Brown as Guard (uncredited)
Carita Crawford as Dancer in Opera (uncredited)
Patrick Cunning as Villager in Opera (uncredited)
Zari Elmassian as Mme. Rochelle (singing voice) (uncredited)