Sicily, Fascist Italy, 1925. Dictator Benito Mussolini appoints Cesare Mori, a man as tough as he is honest, as the new police prefect of Palermo and entrusts him with the arduous task of putting an end to the Mafia, a sinister criminal organization that has sown terror on the island for centuries.
Unfortunately the movie I Am the Law is not yet available on HBO Max.
| Directing | Pasquale Squitieri | Director |
| Writing | Arrigo Petacco | Novel |
| Editing | Ruggero Mastroianni | Editor |
| Production | Gianni Hecht Lucari | Producer |
| Camera | Silvano Ippoliti | Director of Photography |
| Production | Donato Bitetto | Production Secretary |
| Production | Anna Maria Novelli | Administration |
| Production | Sergio Giussani | Administration |
| Costume & Make-Up | Giancarlo De Leonardis | Hairstylist |
| Camera | Ettore Corso | Assistant Camera |
| Sound | Bruno Brunacci | Sound Recordist |
| Costume & Make-Up | Walter Cossu | Makeup Artist |
| Editing | Adriana Olasio | Assistant Editor |
| Art | Franco D'Andria | Set Decoration |
| Costume & Make-Up | Angela Parra Vicini | Assistant Costume Designer |
| Production | Piero Lazzari | General Manager |
| Camera | Gianni Xaiz | Assistant Camera |
| Sound | Gianni D'Amico | Sound Mixer |
| Directing | Roberto Pariante | Assistant Director |
| Writing | Arrigo Petacco | Screenstory |
| Writing | Pasquale Squitieri | Screenstory |
| Camera | Gianfranco Salis | Still Photographer |
| Sound | Giovanni Fratarcangeli | Boom Operator |
| Writing | Ugo Pirro | Screenplay |
| Writing | Arrigo Petacco | Screenplay |
| Camera | Enrico Sasso | Camera Operator |
| Sound | Ennio Morricone | Original Music Composer |
| Crew | Gino Vagniluca | Special Effects |
| Sound | Italo Cameracanna | Sound Effects |
| Costume & Make-Up | Giancarlo Bartolini Salimbeni | Costume Designer |
| Art | Giancarlo Bartolini Salimbeni | Production Design |
| Sound | Ennio Morricone | Conductor |
