Bourvil
Role: Albert Gaudet, investigating judge
Marina Vlady
Role: Catherine Dupré
Virna Lisi
Role: Gina Bianchi, nurse
Pierre Brasseur
Role: Charles Cassidi, lawyer for Mrs. Dupré
Umberto Orsini
Role: Maître Philliet, lawyer for Gina Bianchi
Mony Dalmès
Role: Mrs. Marjorie, brothel keeper
Jacques Monod
Role: Prosecutor Magnin
Jacques Mauclair
Role: Georges Boisset, Mrs. Dupré's neighbor
Jean-Loup Philippe
Role: Gina Bianchi's ex-boyfriend
Robert Vidalin
Role: President of the assize court
Gilbert Gil
Role: Garat, journalist in the pay of Me Cassidi
Daniel Lecourtois
Role: Lawyer
Hubert Noël
Role: Catherine Dupré's lover
Hubert Deschamps
Role: Dr. Mermet
Marcel Cuvelier
Role: Me Cassidi's secretary
Jean-Henri Chambois
Role: Dean of the Court
José Luis de Vilallonga
Role: Paul Dupré, the late husband
Frédéric Pottecher
Role: Legal columnist
François Darbon
Role: Morin
Robert Berri
Role: Reenactment man (uncredited)
Henri Coutet
Role: Security guard (uncredited)
Pierre Devilder
Role: (uncredited)
Guy Henry
Role: Inspector (uncredited)
Bernard Musson
Role: Robert, Dupré's servant (uncredited)
Louis Saintève
Role: Lawyer (uncredited)
Jean Saudray
Role: Mechanic (uncredited)
Francis Terzian
Role: (uncredited)
Dominique Zardi
Role: Man at the hearing (uncredited)