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

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