Charles Denner as Henri Landru

Michèle Morgan as Mme Buisson

Danielle Darrieux as Mme Héon

Hildegard Knef as German Widow

Juliette Mayniel as Mme Collomb

Stéphane Audran as Fernande Segret

Catherine Rouvel as Mlle Babeley

Françoise Lugagne as Catherine Landru

Mary Marquet as Old Lady

Denise Provence as Mme Lacoste

Serge Bento as Maurice Landru

Claude Mansard as Landru's Attorney

Robert Burnier as Court President

Mario David as Advocate General

Jean-Louis Maury as Commissaire Belin

Diane Lepvrier as Suzanne Landru

Gisèle Sandré as Mireille

Sacha Briquet as Prosecutor

Raymond Queneau as Georges Clemenceau

Jean-Pierre Melville as Clemenceau's Aide

Pierre Vernier as

René Pannetrat as

Jacques Munier as

Louis Lyonnet as

Pierre Lafont as

Huguette Forge as

Joseph Hindley as

André Dino as

André Fouché as

Bernard Papineau as

Eric Muller as

Robert Barre as

Philippe Castelli as

Jean-Marie Arnoux as

Jacques Robiolles as

Alain Quercy as

Henri Attal as

Dominique Zardi as