Crime Mystery Thriller
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.
Directed by
H. Bruce Humberstone
Written by
Charles Belden
Boris Karloff
Gravelle
William Demarest
Sergeant Kelly
Keye Luke
Lee Chan
Joan Woodbury
Dancer in Opera (uncredited)
Marc Lawrence
Undetermined Minor Role (uncredited) (unconfirmed)
Charlotte Henry
Mlle. Kitty
Otto Fries
Innkeeper (uncredited)
Benson Fong
Opera Supernumerary (uncredited)
Gregory Gaye
Enrico Borelli
Maurice Cass
Mr. Arnold
Oscar Levant
Warner Oland
Charlie Chan
Jim Farley
Detective (uncredited)
Frank Conroy
Mr. Whitely
Thomas Beck
Phil Childers
Nedda Harrigan
Mme. Lucretia Borelli
Stanley Blystone
Backstage Cop Who Shoots Gravelle (uncredited)
Margaret Irving
Mme. Lilli Rochelle
Guy Usher
Inspector Regan
John Bleifer
Murdered Orderly (uncredited)
William Bailey
Detective (uncredited)
Tom McGuire
Pop Morris - Stage Doorman
Bud Geary
Cop (uncredited)
Adolph Faylauer
Opera Spectator (uncredited)
Julia Griffith
Opera Spectator (uncredited)
J. C. Fowler
Opera Spectator (uncredited)
Charles Bancroft
Soldier in Opera (uncredited)
Myrta Bonillas
Villager in Opera (uncredited)
Raymond Brown
Guard (uncredited)
Carita Crawford
Dancer in Opera (uncredited)
Patrick Cunning
Villager in Opera (uncredited)
Zari Elmassian
Mme. Rochelle (singing voice) (uncredited)
Frank Fanning
Cop (uncredited)
Larry Fisher
Cop (uncredited)
Milton Gowman
Villager in Opera (uncredited)
Herschel Graham
Villager in Opera (uncredited)
Harrison Greene
Detective (uncredited)

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