Jean is ten years old and imagines that he is the cause of the misunderstanding that occurred between his parents. He leaves the military institute where he studies and becomes the protégé of an opera singer at whose house, one day, he surprises a thief who blesses him. His parents reconcile at the foot of his hospital bed.
| Actor | Role |
|---|---|
 Constant RémyCommandant Robert Vernot | Commandant Robert Vernot |
| NNinon VallinClaude Arbellin | Claude Arbellin |
 Jeanne BoitelDenise Vernot | Denise Vernot |
| GGabriel FarguetteLe petit Jean | Le petit Jean |
 Raymond AimosBelette, le moniteur de l'école (as Aimos) | Belette, le moniteur de l'école (as Aimos) |
 Jean DaxLe colonel | Le colonel |
| JJean BaraLe petit Pierre | Le petit Pierre |
 Gaston ModotRaymond | Raymond |
 Léon BaryDenys | Denys |
 Camille BertNot listed | Not listed |
 Jean BuquetNot listed | Not listed |
| DDoumelNot listed | Not listed |
 André FouchéNot listed | Not listed |
| TTony MurcieNot listed | Not listed |
 Robert OzanneNot listed | Not listed |
| EEmile RousseauNot listed | Not listed |
 Victor VinaNot listed | Not listed |