Jean-François Robignac, a teacher, arrives at a provincial college to teach literature to ninth-graders. He quickly wins over the children with his youthful way with words. But his parents want to have him expelled when they learn that Jean-François uses slang words to rejuvenate writers' texts.
| Actor | Role |
|---|---|
 Michel SerraultJean-François Robignac | Jean-François Robignac |
 Jean PoiretMaître Bardine | Maître Bardine |
 Jean RigauxNot listed | Not listed |
 Henri CrémieuxProfesseur Larmet | Professeur Larmet |
 Simone ParisNot listed | Not listed |
 Sylva KoscinaGina Lantois | Gina Lantois |
 Darry CowlLe marchand d'échelles | Le marchand d'échelles |
 Pierre-Jean VaillardNot listed | Not listed |
| MMarie AlbeNot listed | Not listed |
| OOzanne BoudetNot listed | Not listed |
| MMaurice BrutusNot listed | Not listed |
| YYvonne ClairyNot listed | Not listed |
| JJack DerlysNot listed | Not listed |
 Clément DuhourNot listed | Not listed |
 Antonin FabreNot listed | Not listed |
 Jenny HéliaNot listed | Not listed |
| DDominique JourdanNot listed | Not listed |
 René SarvilNot listed | Not listed |
| FFrançoise SchoustermanNot listed | Not listed |
| MMado StelliNot listed | Not listed |
| MMichel GiannouNot listed | Not listed |