 Jean-Claude BrialyAntoine Monteil | Antoine Monteil |
 Françoise DorléacFrançoise Bicart alias Sandra Rossen | Françoise Bicart alias Sandra Rossen |
 Claude RichJulien | Julien |
 Jean-Paul BelmondoFernand | Fernand |
 Marie LaforêtGisèle | Gisèle |
 Marie DuboisSophie | Sophie |
 Catherine DeneuveDenise | Denise |
 Hélène DucMadame Armande | Madame Armande |
 Bernadette LafontFlora | Flora |
 Bernard BlierM. Heurtin | M. Heurtin |
 Francis BlancheNino Papatakis | Nino Papatakis |
 Micheline PresleIsabelle Lartois | Isabelle Lartois |
 Michel SerraultGaston Lartois | Gaston Lartois |
 Jacqueline Millela soeur de Gisèle | la soeur de Gisèle |
 Tanya LopertMauricette | Mauricette |
 Mireille DarcGeorgina | Georgina |
 Jacques Dynamun truand | un truand |
 Noël RoquevertLe beau-père | Le beau-père |
| JJean-Luc AdlerUn invité au mariage (uncredited) | Un invité au mariage (uncredited) |
 Henri AttalUn truand (uncredited) | Un truand (uncredited) |
 Maurice AuzelLe barman (uncredited) | Le barman (uncredited) |
| AArlette Balkis(uncredited) | (uncredited) |
 Robert Blome(uncredited) | (uncredited) |
 Nicole Desailly(uncredited) | (uncredited) |
 Sabine Sun(uncredited) | (uncredited) |
 Adrien Cayla-LegrandL'invité chez Walter (uncredited) | L'invité chez Walter (uncredited) |
| AAlbert DaumergueLe père de Gisèle (uncredited) | Le père de Gisèle (uncredited) |
| BBernard MeusnierLe copain de Sophie (uncredited) | Le copain de Sophie (uncredited) |
 Édouard MolinaroL'amoureux sur le bateau (uncredited) | L'amoureux sur le bateau (uncredited) |
 Bernard Murat(uncredited) | (uncredited) |
