An opera singer is stricken with amnesia and, on the evening of a premiere (in his stage costume which is that of a tramp), he goes to wander with real tramps.
| Actor | Role |
|---|---|
 Tino RossiJacques Marton | Jacques Marton |
| AAnnie FranceMarie-Lou | Marie-Lou |
 Mona GoyaOdette | Odette |
| PPaul Azaïs'Le Frisé' | 'Le Frisé' |
 Édouard DelmontFather Louis | Father Louis |
 Jean TissierRegain | Regain |
 René Génin'La Coule' | 'La Coule' |
 Jean RigauxRobert Ducasier | Robert Ducasier |
 Jean DavyChambord | Chambord |
| PPaul BargeThe secretary (uncredited) | The secretary (uncredited) |
 Georges ChamaratThe clinic doctor (uncredited) | The clinic doctor (uncredited) |
| GGilberte JoneyA spectator (uncredited) | A spectator (uncredited) |
 Rosine LuguetIrma (uncredited) | Irma (uncredited) |
 Jean MarconiThe costumer (uncredited) | The costumer (uncredited) |
 André NicolleThe doctor (uncredited) | The doctor (uncredited) |
 Charles VissièresThe servant (uncredited) | The servant (uncredited) |