A young man is hired by an industrialist, while a secret hangs over his birth. His boss's wife turns out to be his mother, who hides the truth from him.
| Actor | Role |
|---|---|
 Pierre RenoirJean Guéret | Jean Guéret |
 Valentine TessierSabine Guéret | Sabine Guéret |
| JJules BerryArmand Limeuil | Armand Limeuil |
 Raymond AimosUn mécano | Un mécano |
 Georges RollinRobert Marcel | Robert Marcel |
 Michèle VerlyMadame de Corsian | Madame de Corsian |
| FFrancine BessyAnne-Marie Guéret | Anne-Marie Guéret |
 Henri PouponNot listed | Not listed |
 Rivers CadetNot listed | Not listed |
 Armand LurvilleNot listed | Not listed |
 Allain DhurtalNot listed | Not listed |
| CCharvetNot listed | Not listed |
 Georges CahuzacNot listed | Not listed |