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 byH. Bruce Humberstone
Written byScott Darling, Charles Belden, Bess Meredyth
CountryUnited States
Runtime68 min
On screen
Warner Oland
Boris Karloff
Keye Luke