A drug deal goes bad and the heroin is stolen. One mob boss doesn't have his drugs and the other doesn't get his money. People are going to die until they discover who double-crossed them. Into this backdrop, Inspector Dario Mauri arrives from Milan to help clean-up Naples. His mission – find the drugs and stop the killing.
Unfortunately the movie A Man Called Magnum is not yet available on HBO Max.
| Directing | Michele Massimo Tarantini | Director |
| Costume & Make-Up | Silvio Laurenzi | Costume Design |
| Crew | Roberto Alessandri | Stunt Driver |
| Writing | Michele Massimo Tarantini | Screenplay |
| Directing | Massimo Manasse | First Assistant Director |
| Production | Francesco Fantacci | Unit Manager |
| Writing | Dardano Sacchetti | Story |
| Costume & Make-Up | Maria Cristina Rocca | Makeup Artist |
| Sound | Bruno Zanoli | Sound |
| Production | Dario Armellini | Production Secretary |
| Editing | Patrizia Malvestito | Assistant Editor |
| Production | Luciano Martino | Producer |
| Sound | Franco Campanino | Original Music Composer |
| Camera | Ezio Bellani | Camera Operator |
| Sound | Guglielmo Smeraldi | Boom Operator |
| Camera | Francesco Narducci | Still Photographer |
| Directing | Mirella Malatesta | Script Supervisor |
| Costume & Make-Up | Marcello Longhi | Hairstylist |
| Art | Franco Calabrese | Production Design |
| Writing | Dardano Sacchetti | Screenplay |
| Production | Franco Cuccu | Production Manager |
| Sound | Bruno Moreal | Sound Mixer |
| Camera | Sergio Rubini | Director of Photography |
| Editing | Alberto Moriani | Editor |
| Camera | Alessio Gelsini Torresi | First Assistant Camera |
