Suave antiques dealer Alfredo Martelli is picked up by the police with no justification. At the precinct, Martelli realizes what the investigation is all about-- that he is the main suspect in the killing of his wealthy ex-lover. Is he guilty, or is he just a sleaze?
Unfortunately the movie The Assassin is not yet available on HBO Max.
| Camera | Alberto Spagnoli | Assistant Camera |
| Directing | Elio Petri | Director |
| Production | Felice D'Alisera | Unit Manager |
| Directing | Maurice Hartwig | First Assistant Director |
| Directing | Giuliano Montaldo | First Assistant Director |
| Directing | Giorgio Trentin | Second Assistant Director |
| Directing | Adolfo Cagnacci | Second Assistant Director |
| Directing | Fabio Rinaudo | Second Assistant Director |
| Directing | Giovanna De Santis | Script Supervisor |
| Production | Lamberto Pippia | Production Secretary |
| Production | Albino Morandin | Production Secretary |
| Camera | Dario Di Palma | Camera Operator |
| Camera | Angelo Lannutti | Assistant Camera |
| Sound | Giovanni Rossi | Sound |
| Costume & Make-Up | Anna Fabrizzi | Hairstylist |
| Art | Lorenzo Vespignani | Production Design |
| Art | Gastone Carsetti | Assistant Production Design |
| Art | Giovanni Checchi | Set Decoration |
| Production | Gino Millozza | Production Manager |
| Camera | Carlo Di Palma | Director of Photography |
| Writing | Pasquale Festa Campanile | Screenplay |
| Writing | Massimo Franciosa | Screenplay |
| Writing | Tonino Guerra | Screenplay |
| Writing | Elio Petri | Screenplay |
| Writing | Elio Petri | Story |
| Writing | Tonino Guerra | Story |
| Production | Franco Cristaldi | Producer |
| Sound | Piero Piccioni | Original Music Composer |
| Editing | Ruggero Mastroianni | Editor |
| Costume & Make-Up | Graziella Urbinati | Costume Design |
| Costume & Make-Up | Franco Freda | Makeup Artist |
