Françoise Rosay

Mrs. Morelli-Johnson

Anny Duperey

Marthe

Bruno Pradal

Alain Morelli

Philippe Clay

Jack Bromfield

Olivier Hussenot

Me Weidman

Daniel Ceccaldi

Gérard Chardonnet

Henri-Jacques Huet

Judicial police inspector

Harald Leipnitz

Victor Masson

Madeleine Barret

Madeleine Bouchez

Friend of Mrs. Morelli, card player

Florence Brière

Maid of Mrs. Morelli

Madeleine Clervanne

Friend of Mrs. Morelli, card player

Corinne Lahaye

Secretary of Gérard Chardonnet

Harald Leipnitz

Pippo Merisi

Siegfried Rauch

Alexandre Rignault

Katia Tchenko

David Tonelli

Janine Souchon

Dismissed companion (uncredited)

Jean Delannoy

Director

James Hadley Chase

Book

Daniel Boulanger

Writer

Jean Delannoy

Writer

Gérard Ducaux-Rupp

Co-Producer

Edmond Ténoudji

Co-Producer

Michel Zemer

Producer

Michel Legrand

Music

Christian Matras

Cinematography

Annie Charvein

Editor