The cruel and abusive headmaster of a boarding school, Michel Delassalle, is murdered by an unlikely duo -- his meek wife and the mistress he brazenly flaunts. The women become increasingly unhinged by a series of odd occurrences after Delassalle's corpse mysteriously disappears.
Véra Clouzot
as Christina Delassalle
Simone Signoret
as Nicole Horner
Paul Meurisse
as Michel Delassalle
Charles Vanel
as Police Inspector Alfred Fichet
Jean Brochard
as Plantiveau
Pierre Larquey
as Mr. Drain
Michel Serrault
as Mr. Raymond
Yves-Marie Maurin
as Moinet
Georges Poujouly
as Soudieu
Thérèse Dorny
as Mrs. Herboux
Noël Roquevert
as Mr. Herboux
Jean Lefebvre
as Robert
