Jacques Perrin as Le juge François Muller

Richard Bohringer as Le commissaire Lucien Innocenti

Daniel Duval as Antoine Rocca

Andréa Ferréol as Regine Sauvat

Jean Benguigui as Maître Donati

Michael Lonsdale as Le docteur

Giacomo Piperno as Le juge Galeazzi

Jean-Pierre Sentier as Le commisaire Perrota

Paul Le Person as Le president Lebau

Brigitte Catillon as Gregoire

Jean Franval as Pinacchio

Patrick Chauvel as Calvo

Maurice Jacquemont as Camoin