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.

Louis Salou
Robert Turlot

François Périer
François Lecoc
Colette Richard
Colette

Simone Valère
Simone

François Patrice
Della Rocca
Serge Emrich
Plancoët

Jacques Mercier
Poupaud

Claire Olivier
Madame Palisse

Gustave Gallet
Monsieur Palisse
Jean Berton
Professor
Jacqueline Beyrot
The bride
Emile Chopitel
Innkeeper

Marina de Berg
Maid

Robert Le Fort
Bearer
Serge Lecointe