Yves Montand as Vincent, entrepreneur

Michel Piccoli as François, médecin

Serge Reggiani as Paul, écrivain, journaliste

Gérard Depardieu as Jean Lavallée, ami de Vincent

Umberto Orsini as Jacques

Stéphane Audran as Catherine, l'ex-femme de Vincent

Antonella Lualdi as Julia, la femme de Paul

Marie Dubois as Lucie, la femme de François

Catherine Allégret as Colette, la petite amie de Jean

Ludmila Mikaël as Marie, la jeune petite amie de Vincent

Pierre Maguelon as Farina

Betty Beckers as Myriam

Nicolas Vogel as Clovis, la patron de la brasserie

Yves Gabrielli as Michel

Myriam Boyer as Laurence

Maurice Travail as M. Montubert, le comptable de Vincent

Jean Lagache as L'adjoint de Becaru

Robert Le Béal as Le père de Marie

Maurice Auzel as Simon

Daniel Lecourtois as Georges

Ermanno Casanova as Le patron du restaurant

Lucienne Legrand as La femme du malade

Carlo Nell as Le présentateur

Pippo Merisi as Le soigneur chauve

Jean Capel as Jamain

Mohamed Galoul as Joe Catano

Jacques Richard as Armand

David Tonelli as Marco

Jean-Denis Robert as Pierre

Marcel Portier as Le père de Jean

Henri Coutet as Henri

Sacha Bauer as

André Cassan as Un spectateur

Jacques Dhéry as Le malade

Léo Peltier as Un ouvrier

Lucien Rodriguez as

Jacqueline Dufranne as La mère de Marie (uncredited)

Claude Néron as Un spectateur lors du combat de boxe (uncredited)