 Louis JouvetGérard Favier, famous composer | Gérard Favier, famous composer |
 Dany RobinMonelle Picart, young pianist | Monelle Picart, young pianist |
 Renée DevillersSylvia Favier, Gérard's wife | Sylvia Favier, Gérard's wife |
 Brigitte AuberChristine, Monelle's friend | Christine, Monelle's friend |
 Philippe NicaudJules Picart, Monelle's brother | Jules Picart, Monelle's brother |
 Fernand RenéMichel Picart, the father | Michel Picart, the father |
 Léo LaparaLudo, Favier's friend | Ludo, Favier's friend |
 Émile DrainCritic | Critic |
| PPierre RingelLucky charm merchant | Lucky charm merchant |
 Jacques ProvinsJean, restaurant waiter | Jean, restaurant waiter |
| JJean HeuzéCritic | Critic |
 Philippe LemaireClaude, Monelle's lover | Claude, Monelle's lover |
 Charles VissièresStepfather | Stepfather |
| LLucien CarolBoss of the bistro | Boss of the bistro |
| JJanine ViénotAdmirer of Favier | Admirer of Favier |
 Maurice LagrenéeDirector of the newspaper "Entre Nous Soit Dit" | Director of the newspaper "Entre Nous Soit Dit" |
| JJean Le FortNot listed | Not listed |
 Marc ArianSpectator at the concert (uncredited) | Spectator at the concert (uncredited) |
| JJean Brunel(uncredited) | (uncredited) |
| JJean Clarens(uncredited) | (uncredited) |
 Nicole CourcelWaitress at the restaurant (uncredited) | Waitress at the restaurant (uncredited) |
| SSuzanne CourtalLudo's concierge (uncredited) | Ludo's concierge (uncredited) |
 Hélène DartigueGrandmother at the wedding (uncredited) | Grandmother at the wedding (uncredited) |
 Micheline Dax(uncredited) | (uncredited) |
| LLouis de Nalair(uncredited) | (uncredited) |
| JJean Erauf(uncredited) | (uncredited) |
| FFlo Fontaine(uncredited) | (uncredited) |
 Édouard FrancommeNewspaper seller (uncredited) | Newspaper seller (uncredited) |
 Guy HenrySpectator at the concert (uncredited) | Spectator at the concert (uncredited) |
 Michel JourdanDancer at the wedding (uncredited) | Dancer at the wedding (uncredited) |
