Pierre Brasseur
Professor Génessier
Pierre Brasseur
Professor Génessier
Alida Valli
Louise
Édith Scob
Christiane Génessier, daughter of the professor
Juliette Mayniel
Edna Gruber
Alexandre Rignault
Inspector Parot
Béatrice Altariba
Paulette Mérodon
Charles Blavette
Man from the Pond
Michel Etcheverry
Doctor Lherminier, forensic surgeon
Claude Brasseur
Police inspector
Yvette Etiévant
Mother of the little sick man
René Génin
Emile Tessot
Lucien Hubert
Man at the funeral
Marcel Pérès
Man at the funeral
François Guérin
Doctor Jacques Vernon
Brigitte Juslin
Juliette (uncredited)
Georges Franju
Director
Jules Borkon
Producer
Jean Redon
Novel
Jean Redon
Adaptation
Pierre Boileau
Adaptation
Thomas Narcejac
Adaptation
Claude Sautet
Adaptation
Maurice Jarre
Original Music Composer
Eugen Schüfftan
Director of Photography
Gilbert Natot
Editor
Auguste Capelier
Production Design
Margot Capelier
Art Direction
Pierre Gascar
Dialogue
Pierre Boileau
Screenplay
Jean Redon
Screenplay
Thomas Narcejac
Screenplay
Claude Sautet
Screenplay
Pierre Gascar
Writer
Riccardo Gualino
Producer
Denise Natot
Assistant Editor
Marie Martine
Costume Design
Hubert de Givenchy
Costume Design
Georges Klein
Makeup Artist
Marcelle Testard
Hairstylist
Margot Capelier
Unit Production Manager
Pierre Laurent
Production Manager
Claude Sautet
Assistant Director
Claude Moesching
Assistant Art Director
Jacques Mély
Assistant Art Director
Albert Volper
Set Dresser
Antoine Archimbaud
Sound Engineer
Charles-Henri Assola
Special Effects
Ginette Diamant-Berger
Script Supervisor