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

Your rating