Maurice Ronet as Diserens

Jean-Pierre Marielle as Commissaire Martin

Jean Servais as Joseph Marchesi, dit Crazy Capo

Antonio Cantafora as Antonio Marchesi

Alice Sapritch as Mme Rose

Marika Green as La prostituée

Michel Peyrelon as Albani

Charles Millot as Slavio

William Sabatier as L'adjoint

William Sabatier as Le médecin légiste

Guy Marly as Le docteur

André Le Gall as Torini

Christian Barbier as L'adjoint

Gabriel Cinque as

Yvon Sarray as

Michel Robbe as

Maurice Ducasse as

Bernard Sancy as

Paul Bisciglia as

Edwige Bergsen as

Gabrielle Doulcet as

Jean Juillard as

Bernard Lajarrige as

Max Amyl as

Claude Salez as

Robert Audran as

Robert Rondo as

Raphaël Saint-Bris as

Van Duong as

Vincent Gauthier as