Paul Meurisse, Simone Signoret, Charles Vanel, Pierre Boileau, Thomas Narcejac, Henri-Georges Clouzot, Jérôme Géronimi, Véra Clouzot, René Masson, Frédéric Grendel

Les diaboliques is a movie starring Simone Signoret, Véra Clouzot, and Paul Meurisse. The wife and mistress of a loathed school principal hatch a plan to murder him while having the perfect alibi. They carry out the plan...but then...