Jean-Paul Belmondo as François Capella

Alain Delon as Roch Siffredi

Catherine Rouvel as Lola

Françoise Christophe as Simone Escarguel

Corinne Marchand as Mrs. Rinaldi

Laura Adani as Mrs. Siffredi, Roch's mother

Nicole Calfan as Ginette

Hélène Rémy as Lydia

Odette Piquet as Singer

Mario David as Mario

Lionel Vitrant as Fernand

Dennis Berry as Nono

Jean Aron as Martial Roger, accountant

André Bollet as Poli

Arnoldo Foà as Marello

Daniel Ivernel as Commissioner

Christian de Tillière as 'Le Danseur'

Julien Guiomar as Simon Boccace

Michel Bouquet as Maître Rinaldi

Pierre Koulak as Spada

Yvan Chiffre as

Henri Attal as Cashier of the circle (uncredited)

Philippe Castelli as Hotel boy (uncredited)

Mireille Darc as Prostitute (uncredited)

Pierre Santino as Machine pistol shooter (uncredited)

Art Simmons as Pianist (uncredited)

Roland Malet as Player (uncredited)

Georges Ass as Priest at the funeral (uncredited)

Jean-François Delon as Brothel employee (uncredited)

Fransined as Coffee boy (uncredited)

Iska Khan as Chinese server (uncredited)

Georges Guéret as Man of Marello (uncredited)

Tony Rödel as Man of Marello (uncredited)