A band of gangsters devise a plan to steal a game contested between two drug gangs of drug traffickers: the five fraudsters will face bigger problems than them.
Unfortunately the movie Symphony for a Massacre is not yet available on HBO Max.
| Writing | Jacques Deray | Writer |
| Writing | José Giovanni | Writer |
| Production | Julien Derode | Producer |
| Editing | Paul Cayatte | Editor |
| Sound | Alberto Bartolomei | Sound |
| Sound | Joseph de Bretagne | Sound |
| Art | Léon Barsacq | Art Direction |
| Writing | Claude Sautet | Writer |
| Directing | Jacques Deray | Director |
| Writing | Alain Reynaud-Fourton | Novel |
| Writing | José Giovanni | Dialogue |
| Camera | Claude Renoir | Director of Photography |
| Camera | Jean Charvein | Camera Operator |
| Art | Pierre Duquesne | Assistant Art Director |
| Art | Théobald Meurisse | Assistant Art Director |
| Directing | Louis Pitzele | Assistant Director |
| Directing | Annie Rozier | Script Supervisor |
| Sound | Maurice Dagonneau | Sound Assistant |
| Sound | Max Olivier | Sound Assistant |
| Editing | Jacqueline Simoni | Assistant Editor |
| Sound | Michel Magne | Original Music Composer |
| Production | Robert Velin | Production Manager |
| Production | Serge Lebeau | Unit Production Manager |
