François, a young student at a provincial college, likes Colette, the daughter of the headmaster. Turlot his colleague, who commits suicide, left a diary where he writes of his relationship with Colette.
| Actor | Role |
|---|---|
 Louis SalouRobert Turlot | Robert Turlot |
 François PérierFrançois Lecoc | François Lecoc |
| CColette RichardColette | Colette |
 Simone ValèreSimone | Simone |
 François PatriceDella Rocca | Della Rocca |
| SSerge EmrichPlancoët | Plancoët |
 Jacques MercierPoupaud | Poupaud |
 Claire OlivierMadame Palisse | Madame Palisse |
 Gustave GalletMonsieur Palisse | Monsieur Palisse |
| JJean BertonProfessor | Professor |
| JJacqueline BeyrotThe bride | The bride |
| EEmile ChopitelInnkeeper | Innkeeper |
 Marina de BergMaid | Maid |
 Robert Le FortBearer | Bearer |
| SSerge LecointeNot listed | Not listed |
 Pierre MoncorbierProfessor | Professor |
| RRené PascalNot listed | Not listed |
| JJean SylvainGroomsman | Groomsman |
 Eugène YvernèsProfessor | Professor |
| PPierre NoëlNot listed | Not listed |
| JJacques OryStudent | Student |
| BBridaultNot listed | Not listed |
| LLytzNot listed | Not listed |
 Albert Broquin(uncredited) | (uncredited) |
 Jean-Jacques Lécot(uncredited) | (uncredited) |
| CChristian MartaguetStudent (uncredited) | Student (uncredited) |
| MMaurice BarnayStudent (uncredited) | Student (uncredited) |