
The Case Against X
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).
Top Billed Cast

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
Featured Crew

Richard Pottier
Director
Gérard Ducaux-Rupp
Assistant Director
René Floriot
Writer
René Floriot
Screenplay

Marc-Gilbert Sauvajon
Adaptation

Marc-Gilbert Sauvajon
Dialogue
François Chavane
Producer

Alain Poiré
Producer
Robert Sussfeld
Production Director
Maurice Barry
Cinematography
Jean Lallier
Camera Operator
Fernand Janisse
Sound Engineer