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

Robert Dalban as Garage Owner

Georges Chamarat as Dr. Loisy

Madeleine Suffel as Counter Clerk

Jean Témerson as Hotel Janitor

Jacques Hilling as Morgue Receptionist

Camille Guérini as Photographer

Jacques Varennes as Dr. Bridoux

Henri Humbert as Patard (uncredited)

Michel Dumur as Ritberger (uncredited)

Jean-Pierre Bonnefous as Gascuel (uncredited)

Johnny Hallyday as Student (uncredited)

Jimmy Urbain as Student (uncredited)

Henri Coutet as Employee of the Morgue (uncredited)

Christian Brocard as Man in the Morgue (uncredited)

Jean Clarieux as Taxi Driver (uncredited)

Zappy Max as Radio Game-show Host (voice) (uncredited)