Jean-Paul Belmondo as Divisional commissioner Stanislas Borovitz / Antonio Cerutti

Georges Géret as Théodore Musard aka 'L'Auvergnat'

Claude Brosset as Achille Volfoni, aka 'Le Corse'

Jean-François Balmer as Inspector Georges Massard

Tony Kendall as Inspector Rey

Michel Beaune as Marcel Langlois

Catherine Lachens as Mrs. Simone Langlois

Julie Jézéquel as Charlotte

Michel Galabru as Commissioner Grimaud

Juliette Mills as Mrs. Bertrand, widow of commissioner Bertrand

Venantino Venantini as Mario, shot of 'L'Auvergnat'

Charles Gérard as Cazauban

Marie Laforêt as Edmonde Puget-Rostand

Michel Peyrelon as Camille, businessman from 'L'Auvergnat'

Philippe Castelli as Driving license inspector

Marc Lamole as Deputy public prosecutor

Nicolas Vogel as Marcel Gaston

Mireille Orsini as Mrs. Cerutti

Patrick Rocca as Director of the Casino

Bernard Fontaine as Fence

José Gonel as Old man

Michèle Jacquetty as Campsite girl

Henri Attal as Head of transmission

Henri Dugène as Thug

Jacques Lejeune as Louis

Maite Masson as Motel prostitute

Antoine Mazelli as Decorator of Théodore Musart

René Tramoni as Thug

Maurice Auzel as Policeman from commissioner Grimaud

Alfred Baillou as Hotel receptionist (uncredited)

Erick Desmarestz as Deputy of the substitute (uncredited)