Docteur Petiot

Michel Serrault

Docteur Petiot

Pierre Romans

Drezner

Bérangère Bonvoisin

Georgette Petiot

Zbigniew Horoks

Nathan Guzik

Olivier Saladin

le premier agent

André Julien

Forestier

Nini Crépon

Collard

Maxime Collion

Gérard Petiot

Aurore Prieto

Mme Guzik

André Chaumeau

Célestin Nivelon

Axel Bogousslavsky

Louis Rossignol

Maryline Even

la mère de l'enfant malade

Nita Klein

Mme Kern

Dominique Marcas

Mme Valéry

Martine Mongermont

Cécile Drezner

Julien Verdier

le pharmacien

Lorella Cravotta

la voisine de Petiot

Christian de Chalonge

Director

Michel Serrault

Producer

Christian de Chalonge

Writer

Alain Sarde

Producer

Philippe Chapelier-Dehesdin

Producer

Christine Gozlan

Executive Producer

Dominique Garnier

Writer

Jean-Charles Bachelier

Hairstylist

Marie-Jeanne Wyckmans

Sound

Catherine Demesmeaker

Makeup Artist

Jean-Pierre Duret

Sound

Yves Brover-Rabinovici

Production Design

Vincent Arnardi

Sound Re-Recording Mixer

Patrick Blossier

Director of Photography

Michel Portal

Original Music Composer

Anita Fernández

Editor

Corinne Jorry

Costume Design