In the "Valley School", as the holidays approach, students' lives will be turned upside down by the arrival of a new teacher.
| Directing | Claude Vital | Director |
| Writing | Marcel Dassault | Writer |
| Writing | Claude Vital | Writer |
| Production | Alain Poiré | Producer |
| Sound | Jean-Jacques Debout | Original Music Composer |
| Camera | Wladimir Ivanov | Director of Photography |
| Editing | Robert Isnardon | Editor |
| Art | Pierre Cadiou | Production Design |
| Costume & Make-Up | Marie-Françoise Perochon | Costume Design |
| Costume & Make-Up | Thi-Loan Nguyen | Makeup Artist |
| Sound | Alain Sempé | Sound |