The French Detective

Lino Ventura

Commissioner Verjeat

Patrick Dewaere

Inspector Lefèvre

Victor Lanoux

Pierre Lardatte

Julien Guiomar

General controller Ledoux

Pierre Tornade

Commissioner Pignol

Françoise Brion

Marthe Rigaux, boss of the brothel

Claude Rich

Judge Delmesse

Michel Peyrelon

Roger Portor, brother of Antoine

Claude Brosset

Antoine Portor, Lardatte's henchman

Gérard Hérold

Inspector Moitrié

Gérard Dessalles

Inspector Ransac

Jacques Rispal

Mr. Mercier, father of the young man killed

Patrick Feigelson

Louis

Jean-Yves Gautier

Letellier

Pierre Londiche

Jeanvier, informer with the dog