Bourvil

Albert Gaudet, investigating judge

Marina Vlady

Catherine Dupré

Virna Lisi

Gina Bianchi, nurse

Pierre Brasseur

Charles Cassidi, lawyer for Mrs. Dupré

Umberto Orsini

Maître Philliet, lawyer for Gina Bianchi

Jacques Monod

Prosecutor Magnin

Hubert Noël

Catherine Dupré's lover

Hubert Deschamps

Dr. Mermet

Marcel Cuvelier

Me Cassidi's secretary

Roger Rudel

Doctor

José Luis de Vilallonga

Paul Dupré, the late husband

François Darbon

Morin

Robert Berri

Reenactment man (uncredited)

Henri Coutet

Security guard (uncredited)

Guy Henry

Inspector (uncredited)

Bernard Musson

Robert, Dupré's servant (uncredited)

Jean Saudray

Mechanic (uncredited)

Dominique Zardi

Man at the hearing (uncredited)