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