A series of terrifying accidents and brutal murders leave a bloody trail into the subterranean caverns of an Opera house. Below the theatre stalks a man raised by creatures of the underworld.
| Sound | Ennio Morricone | Original Music Composer |
| Production | Claudio Argento | Executive Producer |
| Writing | Dario Argento | Screenplay |
| Directing | Dario Argento | Director |
| Production | Áron Sipos | Producer |
| Writing | Gérard Brach | Screenplay |
| Camera | Ronnie Taylor | Director of Photography |
| Production | Giuseppe Colombo | Producer |
| Editing | Anna Rosa Napoli | Editor |
| Writing | Gaston Leroux | Novel |
| Writing | Giorgina Caspari | Adaptation |
