A theater troupe's young, energetic leader has secured an old theater in which to produce his new production. The theater's elderly caretaker urges the group to leave at once. A vampire is awakened and discovers that one of the troupe is the reincarnation of the woman who he once loved.
You can now watch The Monster of the Opera online on the following streaming providers in the United States.
| Directing | Renato Polselli | Director |
| Camera | Ugo Brunelli | Director of Photography |
| Sound | Aldo Piga | Original Music Composer |
| Writing | Renato Polselli | Story |
| Writing | Renato Polselli | Screenplay |
| Writing | Ernesto Gastaldi | Story |
| Writing | Ernesto Gastaldi | Screenplay |
| Writing | Giuseppe Pellegrini | Screenplay |
| Editing | Otello Colangeli | Editor |
| Art | Demofilo Fidani | Production Design |
| Art | Francesco Cuppini | Set Decoration |
| Costume & Make-Up | Gaetano Capogrosso | Makeup Artist |
| Production | Nando Anselmetti | Production Manager |
| Sound | Fiorenzo Magli | Sound Engineer |
| Sound | Sandro Occhetti | Sound Engineer |
