The Case Against X

A button, a piece of the puzzle?

100 mins
Paul Dorgères, a wealthy industrialist, has been mysteriously murdered. The investigation is entrusted to the experienced Chief Inspector Bonnardel and his young rookie assistant, Inspector Richard. Suspicion turns to his mistress Catherine Villard, with whom he had just broken up on the night of the crime. She is soon arrested and charged. However, Inspector Richard discovers a button at the scene of the crime which could help him to trace the trail and confound the culprit(s).

Yves Deniaud

L'inspecteur-chef Bonnardel

Yves Vincent

L'inspecteur Richard, jeune assistant débutant de Bonnardel

Élina Labourdette

Catherine Villard, maîtresse de Dorgères

Henri Crémieux

M. Phalempeau, homme d'affaires

Robert Dalban

L'inspecteur Sylvestre, adjoint de Bonnardel

Jean Debucourt

Maître Landry, avocat pénaliste, ténor du barreau

Marie Déa

Mme Le Mesles

Marcel André

Le médecin légiste

Marthe Mercadier

La détenue-manucure

Charles Dechamps

Le juge d'instruction Ferrand

Henri Nassiet

Paul Dorgères, homme d’affaires

María Riquelme

Étiennette, la concierge

Guy Decomble

Le concierge

Charles Vissières

Le détective Henri Bouteiller

Marcel Delaître

Le commissaire

Michel Etcheverry

Bertrand Moal

Fernand René

Le tailleur

Paul Villé

Le maître d'hôtel de Dorgères

Julien Maffre

L'hôtelier de Marseille

Zélie Yzelle

La cuisinière de Dorgères

Myriam Bru

La nièce

Jacqueline Huet

La vendeuse d'articles de maroquinerie

Alfred Adam

Le vendeur de boutons (uncredited)

René Dupuy

(uncredited)

Robert Lussac

Le Mesles (uncredited)

Jacques Morlaine

Un journaliste (uncredited)

Nadine Tallier

Amélie, la soubrette (uncredited)

Ernest Varial

Un homme (uncredited)

Gérard Ducaux-Rupp

Assistant Director

René Floriot

Screenplay

Alain Poiré

Producer

Robert Sussfeld

Production Director

Maurice Barry

Cinematography

Jean Lallier

Camera Operator

Fernand Janisse

Sound Engineer

Marc Lanjean

Original Music Composer

Lucien Carré

Decorator

René Daudin

Key Makeup Artist

Raymond Heil

Still Photographer

Jacques Pignier

Manager of Operations

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