Whilst being transferred to a psychiatric hospital, a ruthless serial killer Gassot makes a break and goes on the run. He arrives in Marseilles, intending to escape abroad. Here, he falls for a young prostitute, Gerda.
Unfortunately the movie Killer is not yet available on HBO Max.
| Directing | Denys de La Patellière | Director |
| Writing | Pascal Jardin | Author |
| Camera | Claude Renoir | Director of Photography |
| Sound | Ennio Morricone | Original Music Composer |
| Editing | Claude Durand | Editor |
| Art | Michel de Broin | Production Design |
| Sound | Jean Claudric | Orchestrator |
| Writing | Denys de La Patellière | Screenplay |
| Art | Claude Suné | Set Decoration |
| Costume & Make-Up | Sylvain Dayan | Costume Design |
| Costume & Make-Up | Alexandre | Hairstylist |
| Costume & Make-Up | Jean-Pierre Eychenne | Key Makeup Artist |
| Costume & Make-Up | Yvonne Gasperina | Key Makeup Artist |
| Production | Jean Gabin | Producer |
| Production | Louis-Émile Galey | Producer |
| Production | Claude Giroux | Producer |
| Production | Éric Rochat | Producer |
| Sound | Michel Amsellem | Sound Editor |
| Sound | Michèle Boëhm | Sound Editor |
| Sound | Daniel Couteau | Foley Artist |
| Sound | Vartan Karakeusian | Sound Recordist |
| Sound | Jean Rieul | Sound |
