| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alain Delon | Crew | Production | Producer |
 Claude Bolling | Crew | Sound | Music, Original Music Composer |
 Claude Sautet | Crew | Writing | Writer |
 François de Lamothe | Crew | Art | Production Design |
 Jacques Deray | Crew | Directing | Director, Writer |
 Jean Cau | Crew | Writing | Writer |
 Jean-Claude Carrière | Crew | Writing | Writer |
 Paul Cayatte | Crew | Editing | Editor |
Pierre Caro | Crew | Production | Associate Producer |
Robert Christidès | Crew | Art | Set Decoration |
Jean-Jacques Tarbès | Crew | Camera | Director of Photography |
Michel Deruelle | Crew | Costume & Make-Up | Makeup Artist |
Alain Delon | Cast | Actor | Roch Siffredi |
 André Bollet | Cast | Actor | Poli |
 Arnoldo Foà | Cast | Actor | Marello |
 Catherine Rouvel | Cast | Actress | Lola |
 Christian de Tillière | Cast | Actor | 'Le Danseur' |
 Corinne Marchand | Cast | Actress | Mrs. Rinaldi |
 Daniel Ivernel | Cast | Actor | Commissioner |
 Dennis Berry | Cast | Actor | Nono |
 Fransined | Cast | Actor | Coffee boy (uncredited) |
 Françoise Christophe | Cast | Actress | Simone Escarguel |
 Henri Attal | Cast | Actor | Cashier of the circle (uncredited) |
 Hélène Rémy | Cast | Actress | Lydia |
Iska Khan | Cast | Actor | Chinese server (uncredited) |
Jean Aron | Cast | Actor | Martial Roger, accountant |
 Jean-Paul Belmondo | Cast | Actor | François Capella |
 Julien Guiomar | Cast | Actor | Simon Boccace |
Laura Adani | Cast | Actress | Mrs. Siffredi, Roch's mother |
 Lionel Vitrant | Cast | Actor | Fernand |
 Mario David | Cast | Actor | Mario |
 Michel Bouquet | Cast | Actor | Maître Rinaldi |
 Nicole Calfan | Cast | Actress | Ginette |
 Odette Piquet | Cast | Actress | Singer |
 Philippe Castelli | Cast | Actor | Hotel boy (uncredited) |
 Pierre Koulak | Cast | Actor | Spada |
 Tony Rödel | Cast | Actor | Man of Marello (uncredited) |
 Yvan Chiffre | Cast | Actor | |
 Mireille Darc | Cast | Actress | Prostitute (uncredited) |
 Jean-François Delon | Cast | Actor | Brothel employee (uncredited) |
 Roland Malet | Cast | Actor | Player (uncredited) |
 Georges Ass | Cast | Priest at the funeral (uncredited) | |
| Person | Type | Job | Role(s) |
