Full Credits
20 members

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 Mérisi

Siegfried Rauch

Alexandre Rignault

Katia Tchenko
David Tonelli

Janine Souchon
Dismissed companion (uncredited)
10 members
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
Christian Matras
Director of Photography
Michel Legrand
Original Music Composer
Annie Charvein
Editor