Gangster Ugo wordt vrijgelaten door de politie. Om hem te kunnen betrappen als hij de verdwenen poet wil ophalen, neemt zijn oude bende hem weer op. Wanneer de buit weer verdwijnt laaien oude conflicten tot bloedens toe op, aangewakkerd door Ugo, die zijn tegenstanders zo weet uit te schakelen.
Nee, helaas is Milano Calibro 9 nog niet beschikbaar op Netflix in Nederland.
| Directing | Fernando Di Leo | Director |
| Writing | Fernando Di Leo | Story |
| Production | Vincenzo Salviani | Unit Manager |
| Writing | Fernando Di Leo | Screenplay |
| Camera | Claudio Morabito | Camera Operator |
| Sound | Goffredo Salvatori | Sound |
| Production | Armando Novelli | Line Producer |
| Directing | Vivalda Vigorelli | Script Supervisor |
| Camera | Enrico Biribicchi | Assistant Camera |
| Directing | Franco Lo Cascio | First Assistant Director |
| Production | Ermanno Curti | Producer |
| Production | Lanfranco Ceccarelli | Production Manager |
| Writing | Giorgio Scerbanenco | Novel |
| Art | Francesco Cuppini | Production Design |
| Production | Luciano Appignani | Production Secretary |
| Editing | Amedeo Giomini | Editor |
| Costume & Make-Up | Antonio Mura | Makeup Artist |
| Camera | Franco Villa | Director of Photography |
| Sound | Luis Bacalov | Original Music Composer |
| Costume & Make-Up | Francesco Cuppini | Costume Design |