Jean-Paul Belmondo as Victor Vauthier

Geneviève Bujold as Marie-Charlotte Pontalec

Julien Guiomar as Camille Ortolin, hermit of Chatou

Charles Gérard as Raoul

Daniel Ceccaldi as Police Prefect

Capucine as Hélène Dupont-Moreau

Andréa Ferréol as Tatiana Negulesco

Michel Beaune as Minister

Albert Simono as Mr. Pontalec

Pascale Roberts as Adrienne

Maria Meriko as Mrs. Florinda

Dora Doll as Thérèse, bar cashier

Marc Dudicourt as Guardian of the Ministry

Roger Riffard as Second taxi driver

Maurice Travail as Civil servant of finance

Catherine Alric as Catherine

Maurice Auzel as Paulo

Madeleine Barbulée as Toilet attendant

Philippe Brizard as Expert in tables

Véronique Dancier as Plaza hostess

Robert Dalban as Freddy

Gérard Dournel as First taxi driver

Anna Gaylor as Mrs. de Pontalec

Catherine Lachens as Girl at the educators office

Laure Moutoussamy as Prostitute

Jean-Pierre Rambal as Lucien, Hélène's servant

Bernadette Robert as Lucette

Elizabeth Teissier as Sibylle

Micheline Granchet as (voice)

Pierre D'Hollander as (voice)

Maurice Nasil as Hotel doorman (uncredited)

Laetitia Alphand as Raoul's granddaughter (uncredited)

Anémone as Prostitute (uncredited)

Dany Bernard as Hélène's lover (uncredited)

Claude Brulé as Mr. Morisson (uncredited)

Paulette Brulé as Mrs. Morisson (uncredited)

Michel Charrel as Gennevilliers mechanic (uncredited)

Hélène Cinque as Raoul's granddaughter (uncredited)

Georges Dupuis as Patron of the 'Bonne Santé' (uncredited)

Sébastien Floche as First freed person (uncredited)

Michel Francini as Robert, boater (uncredited)

Hervé Jolly as Courthouse Guard (uncredited)

Gérard Malabat as Hunter of the 'Plazza' (uncredited)

Julie Mate as Raoul's granddaughter (uncredited)

Guy-Pierre Mineur as African notable (uncredited)

Pierre Moncorbier as The sixty-year-old (uncredited)

Bernard Musson as Second freed person (uncredited)

Pascale Rivault as Gilberte (uncredited)

Louisette Rousseau as Tatiana's dresser (uncredited)

Sylvain Salnave as Policeman (uncredited)

Ibrahim Seck as African minister (uncredited)

François Viaur as Prison doorkeeper (uncredited)

Lucien Wouassi as African General (uncredited)

Georges Yacoubian as Fontaine street Cop (uncredited)

Roger Muni as Minister's valet (uncredited)

Charly Koubesserian as Man in front of the Colibri-Bar (uncredited)