

Lyons, France. Michel Descombes is a watchmaker who lives alone with his teenage son Bernard. When the police visit and informs him that Bernard killed a man and is on the run with a girl, Michel realizes that he knew far less about his son than he thought.
Michel Descombes

Commissioner Guilboud

Antoine, friend of Michel

Inspector Bricard

Edouard, friend of Michel

Costes, journalist

Janine Boitard, journalist

Madeleine Fourmet

Lawyer

Martine, workwoman

Bernard Descombes, Michel's son

Liliane Torrini, companion of Bernard

Housekeeper

Bricard's assistant
Judge
Johannes
Lucien
1st plumber

2nd plumber
1st strong man
Little girl on the train

Mrs. Torrini (uncredited)

Lucien (uncredited)
Mr. Torrini (uncredited)

Cyclist (uncredited)

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