Main Cast:
* Yves Montand as Jean-Claude Laurier
* Serge Merlin as Paul Vallée
* Catherine Deneuve as Élisabeth
* Jean-Louis Trintignant as Henri Girard
* Karin Schubert as Marie
Supporting Cast:
* Guy Marchand as Commissaire Morand
* Daniel Prévost as Commissaire Marceau
* Jean-François Stévenin as Marc
* Pierre Vaneck as Docteur Lévy
* Caroline Cellier as Simone
This list includes the main characters and some of the supporting roles. There are other actors who appear in smaller parts, which are not listed here.