The story of a drug dealer from Romania and his son in Rome's suburbs.Roman is an immigrant from Romania arrived in Italy 30 years ago. He sells drugs and lives in criminal contexts. His dream is to see his child, Nicu, whom he raised without a mother, live a different and better life.
Unfortunately the movie The Mongrel is not yet available on HBO Max.
| Directing | Alessandro Gassmann | Director |
| Writing | Alessandro Gassmann | Writer |
| Writing | Vittorio Moroni | Writer |
| Sound | Pivio | Music |
| Production | Nicola De Angelis | Executive Producer |
| Sound | Aldo De Scalzi | Music |
| Production | Andrea Borella | Delegated Producer |
| Crew | Federico Benvenuti | Stunt Double |
| Crew | Federico Schlatter | Cinematography |
| Production | Federico Cucchini | Casting |
| Production | Mauro Calevi | Line Producer |
| Sound | Daniele Quadroli | Sound Designer |
| Production | Franco Alberto Cucchini | Casting |
| Production | Guido De Angelis | Executive Producer |
| Production | Marco De Angelis | Executive Producer |
| Production | Rino Piccolo | Co-Executive Producer |
| Art | Domenico Dicillo | Assistant Production Design |
| Production | Niccolò Cucchini | Production Assistant |
| Crew | Mario Lanti | Manager of Operations |
| Production | Cristiano Cucchini | Producer |
| Art | Sonia Peng | Production Design |
| Production | Raffaella Cassano | Production Manager |
| Costume & Make-Up | Giuseppe Desiato | Makeup Artist |
| Costume & Make-Up | Mauro Meniconi | Makeup Artist |
| Art | Jacopo Truffa | Assistant Production Design |
| Production | Mario Lanti | Unit Production Manager |
| Directing | Tommaso Pagliai | First Assistant Director |
| Crew | Franco Maria Salamon | Stunt Coordinator |
| Crew | Gionata Marzeddu | Stunts |
| Production | Massimiliano di Lodovico | Producer |
| Costume & Make-Up | Mauro Meniconi | Makeup Supervisor |
| Art | Sonia Peng | Set Decoration |
| Costume & Make-Up | Mariano Tufano | Costume Design |
| Editing | Marco Spoletini | Editor |
| Costume & Make-Up | Virna Vento | Hair Department Head |
| Production | Marco Bertogna | Co-Executive Producer |
| Art | Elio Maiello | Production Design |
| Directing | Massimiliano Battistella | Second Assistant Director |
| Directing | Valentina Centra | Third Assistant Director |
| Crew | Simone Ranieri | Stunt Double |
| Sound | Luca Grillo | Boom Operator |
| Production | Mario Lanti | Post Production Coordinator |
| Sound | Italo Cameracanna | Foley Artist |
| Sound | Alberto Colajacomo | Sound Supervisor |
| Art | Sonia Peng | Set Designer |
| Crew | Paolo Ravalli | Video Assist Operator |
| Costume & Make-Up | Chiara Sabatini | Assistant Costume Designer |
| Crew | Quentin de Fouchécour | Post Production Supervisor |
| Directing | Loredana Nucci | Continuity |
| Camera | Paola Greco | Second Assistant Camera |
| Production | Gianni Eduardo Librobuono | Production Assistant |
| Sound | Fabrizio Quadroli | Sound Effects Editor |
| Production | Silvia d'Avossa | Production Assistant |
| Editing | Daniele Aliberti | Digital Intermediate |
| Editing | Simone Nobili | Digital Intermediate Producer |
| Production | Roberto Scarduffa | Extras Casting Coordinator |
| Crew | Maurizio Armato | Mixing Engineer |
| Sound | Simone Corelli | Recording Supervision |
| Sound | Marco Grillo | Sound |
| Sound | Daniele Quadroli | Sound Effects Editor |
| Editing | Christian Gazzi | Color Grading |
| Sound | Paolo Amici | Sound Effects Editor |
| Sound | David Quadroli | Sound Effects Editor |
| Sound | Dario Ramaglia | Sound Editor |
| Editing | Giuliana Sarli | Assistant Editor |
