A widower sends his son Dédé to boarding school, falls in love with a young woman and gradually neglects the child, not out of disaffection but because of routine. The little boy is helpless: he feels he has been completely forsaken - Fortunately, things improve: Dédé ends up finding a new mummy.
| Actor | Role |
|---|---|
 Constant RémyTardier | Tardier |
 Jeanne BoitelHélène | Hélène |
 Saturnin FabreMonsieur Léopard, director | Monsieur Léopard, director |
| SSolange BertrandMaid | Maid |
| CColette BorelliLittle Blanche | Little Blanche |
 Jean BrochardNot listed | Not listed |
| TTeddy DargyDirector | Director |
| CCécile DidierConcierge | Concierge |
 René DonnioMartin | Martin |
 Christiane DorRosalie | Rosalie |
| AAlfred MachardNot listed | Not listed |
 Alice TissotAurore | Aurore |
| RRoncierLittle Dédé | Little Dédé |