Les amoureux sont seuls au monde

Louis Jouvet

Gérard Favier, famous composer

Dany Robin

Monelle Picart, young pianist

Renée Devillers

Sylvia Favier, Gérard's wife

Brigitte Auber

Christine, Monelle's friend

Philippe Nicaud

Jules Picart, Monelle's brother

Fernand René

Michel Picart, the father

Léo Lapara

Ludo, Favier's friend

Émile Drain

Critic

Pierre Ringel

Lucky charm merchant

Jacques Provins

Jean, restaurant waiter

Jean Heuzé

Critic

Philippe Lemaire

Claude, Monelle's lover

Charles Vissières

Stepfather

Lucien Carol

Boss of the bistro

Janine Viénot

Admirer of Favier

Maurice Lagrenée

Director of the newspaper "Entre Nous Soit Dit"

Jean Le Fort

Marc Arian

Spectator at the concert (uncredited)

Jean Brunel

(uncredited)

Jean Clarens

(uncredited)