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 |
| Sound | Aldo De Scalzi | Music |
| Crew | Federico Schlatter | Cinematography |
| Editing | Marco Spoletini | Editor |
| Production | Franco Alberto Cucchini | Casting |
| Production | Federico Cucchini | Casting |
| Production | Marco Bertogna | Co-Executive Producer |
| Production | Andrea Borella | Delegated Producer |
| Production | Mauro Calevi | Line Producer |
| Production | Cristiano Cucchini | Producer |
| Production | Niccolò Cucchini | Production Assistant |
| Production | Guido De Angelis | Executive Producer |
| Production | Marco De Angelis | Executive Producer |
| Production | Nicola De Angelis | Executive Producer |
| Production | Massimiliano di Lodovico | Producer |
| Production | Rino Piccolo | Co-Executive Producer |
| Art | Sonia Peng | Set Decoration |
| Costume & Make-Up | Mariano Tufano | Costume Design |
| Art | Domenico Dicillo | Assistant Production Design |
| Art | Elio Maiello | Production Design |
| Art | Sonia Peng | Production Design |
| Art | Jacopo Truffa | Assistant Production Design |
| Costume & Make-Up | Giuseppe Desiato | Makeup Artist |
| Costume & Make-Up | Mauro Meniconi | Makeup Artist |
| Costume & Make-Up | Mauro Meniconi | Makeup Supervisor |
| Costume & Make-Up | Virna Vento | Hair Department Head |
| Production | Raffaella Cassano | Production Manager |
| Crew | Mario Lanti | Manager of Operations |
| Production | Mario Lanti | Unit Production Manager |
| Directing | Massimiliano Battistella | Second Assistant Director |
| Directing | Valentina Centra | Third Assistant Director |
| Directing | Tommaso Pagliai | First Assistant Director |
| Art | Sonia Peng | Set Designer |
| Crew | Quentin de Fouchécour | Post Production Supervisor |
| Directing | Loredana Nucci | Continuity |
| Production | Roberto Scarduffa | Extras Casting Coordinator |
| Costume & Make-Up | Chiara Sabatini | Assistant Costume Designer |
| Editing | Christian Gazzi | Color Grading |
| Production | Mario Lanti | Post Production Coordinator |
| Editing | Giuliana Sarli | Assistant Editor |
| Camera | Paola Greco | Second Assistant Camera |
| Crew | Paolo Ravalli | Video Assist Operator |
| Production | Silvia d'Avossa | Production Assistant |
| Production | Gianni Eduardo Librobuono | Production Assistant |
| Editing | Daniele Aliberti | Digital Intermediate |
| Editing | Simone Nobili | Digital Intermediate Producer |
| Crew | Franco Maria Salamon | Stunt Coordinator |
| Crew | Simone Ranieri | Stunt Double |
| Crew | Gionata Marzeddu | Stunts |
| Crew | Federico Benvenuti | Stunt Double |
| Sound | Paolo Amici | Sound Effects Editor |
| Crew | Maurizio Armato | Mixing Engineer |
| Sound | Italo Cameracanna | Foley Artist |
| Sound | Alberto Colajacomo | Sound Supervisor |
| Sound | Simone Corelli | Recording Supervision |
| Sound | Luca Grillo | Boom Operator |
| Sound | Marco Grillo | Sound |
| Sound | Daniele Quadroli | Sound Designer |
| Sound | Daniele Quadroli | Sound Effects Editor |
| Sound | David Quadroli | Sound Effects Editor |
| Sound | Fabrizio Quadroli | Sound Effects Editor |
| Sound | Dario Ramaglia | Sound Editor |
