When a heist goes wrong, a safe cracker (Robert Webber) looks for the person who's betrayed him...
| Directing | Franco Prosperi | Director |
| Editing | Ruggero Mastroianni | Editor |
| Writing | Franco Prosperi | Screenplay |
| Sound | Piero Piccioni | Original Music Composer |
| Camera | Sante Achilli | Director of Photography |
| Writing | Giovanni Simonelli | Screenplay |
| Crew | Dario Argento | Additional Writing |