Inspector Betti (Maurizio Merli) is transferred to Naples and immediately after his arrival receives a warm welcome from The Commandante (Barry Sullivan), the city's crime lord. Betti then goes on a personal mission against corruption and organized crime, and tries to force the syndicate out of town with any means necessary.
Unfortunately the movie Violent Naples is not yet available on HBO Max.
| Directing | Umberto Lenzi | Director |
| Production | Fabrizio De Angelis | Producer |
| Sound | Franco Micalizzi | Original Music Composer |
| Editing | Vincenzo Tomassi | Editor |
| Art | Sergio Borelli | Production Design |
| Camera | Giacomo Testa | Camera Operator |
| Camera | Guglielmo Vincioni | Camera Operator |
| Writing | Vincenzo Mannino | Story |
| Writing | Vincenzo Mannino | Screenplay |
| Camera | Sebastiano Celeste | Director of Photography |
| Camera | Fausto Zuccoli | Director of Photography |
