Michel Serrault
Docteur Petiot
Acting
Pierre Romans
Drezner
Acting
Bérangère Bonvoisin
Georgette Petiot
Acting
Zbigniew Horoks
Nathan Guzik
Acting
Olivier Saladin
le premier agent
Acting
André Julien
Forestier
Acting
Nini Crépon
Collard
Acting
Maxime Collion
Gérard Petiot
Acting
Aurore Prieto
Mme Guzik
Acting
André Chaumeau
Célestin Nivelon
Acting
Axel Bogousslavsky
Louis Rossignol
Acting
Maryline Even
la mère de l'enfant malade
Acting
Nita Klein
Mme Kern
Acting
Dominique Marcas
Mme Valéry
Acting
Martine Mongermont
Cécile Drezner
Acting
Julien Verdier
le pharmacien
Acting
Lorella Cravotta
la voisine de Petiot
Acting