Dr. Brézé and his sons, all surgeons with limited abilities fight any competition on their sector with all means.
| Directing | Jacques Rouffio | Director |
| Writing | Jean-Louis Chevrier | Writer |
| Writing | Jacques Rouffio | Writer |
| Writing | Georges Conchon | Writer |
| Sound | Philippe Sarde | Music |
| Camera | Andréas Winding | Director of Photography |
| Editing | Geneviève Winding | Editor |
| Art | Jean-Jacques Caziot | Production Design |
| Art | Philippe Turlure | Set Decoration |
| Costume & Make-Up | Jacques Fonteray | Costume Design |
| Production | Jacques Dorfmann | Producer |
| Production | Michel Piccoli | Associate Producer |
