
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.

as Charlie Chan

as Gravelle

as Lee Chan

as Sergeant Kelly

as Inspector Regan

as Mme. Lilli Rochelle

as Enrico Borelli

as Mme. Lucretia Borelli

as Mr. Whitely

as Mlle. Kitty

as Phil Childers

as Mr. Arnold

as Pop Morris - Stage Doorman

as Undetermined Minor Role (uncredited) (unconfirmed)

as Dancer in Opera (uncredited)

as Detective (uncredited)

as Soldier in Opera (uncredited)

as Murdered Orderly (uncredited)

as Backstage Cop Who Shoots Gravelle (uncredited)

as Villager in Opera (uncredited)

as Guard (uncredited)

as Dancer in Opera (uncredited)

as Villager in Opera (uncredited)

as Mme. Rochelle (singing voice) (uncredited)

as Cop (uncredited)

as Detective (uncredited)

as Opera Spectator (uncredited)

as Cop (uncredited)

as Opera Supernumerary (uncredited)

as Opera Spectator (uncredited)

as Innkeeper (uncredited)

as Cop (uncredited)

as Villager in Opera (uncredited)

as Villager in Opera (uncredited)

as Detective (uncredited)

as Opera Spectator (uncredited)