Michel Delasalle is murdered by his wife and mistress. His body is dumped in a neglected swimming pool, but the corpse is nowhere to be found when the pool is drained. Is Michel really dead? Les Diaboliques is a French psychological horror thriller film directed by Henri-Georges Clouzot, starring Simone Signoret, Véra Clouzot, Paul Meurisse. Diabolique: Directed by Henri-Georges Clouzot. With Simone Signoret, Véra Clouzot, Paul Meurisse, Charles Vanel. The wife and mistress of a loathed school. In this classic of French suspense, the cruel and abusive headmaster of a boarding school, Michel Delassalle (Paul Meurisse), becomes the target of a murder. The wife and mistress of a cruel headmaster conspire to kill him; after the murder is committed, his corpse disappears, and strange events begin to plague the. Before Psycho, Peeping Tom, and Repulsion, there was Diabolique. This thriller from Henri‑Georges Clouzot, which shocked audiences in Europe and the U.S. After finishing Diabolique, heralded French director-screenwriter Henri-Georges Clouzot (–) confessed that all he had intended was to make a picture. Diabolique · If it had accomplished nothing else, "Diabolique" would deserve our affection for two reasons: It contains the original of Peter. In essence, Les Diaboliques is one of the greatest suspense films of all time. The film mingles aspects of moral decrepitude, revenge, a well-. Adaptation du roman de Boileau-Narcejac, Celle qui n'était plus, soufflée au nez et à la barbe d'Hitchcock qui lorgnait dessus, Les Diaboliques.