Françoise Rosay as Mrs. Morelli-Johnson

Anny Duperey as Marthe

Bruno Pradal as Alain Morelli

Philippe Clay as Jack Bromfield

Olivier Hussenot as Me Weidman

Daniel Ceccaldi as Gérard Chardonnet

Henri-Jacques Huet as Judicial police inspector

Harald Leipnitz as Victor Masson

Madeleine Barret as

Madeleine Bouchez as Friend of Mrs. Morelli, card player

Florence Brière as Maid of Mrs. Morelli

Madeleine Clervanne as Friend of Mrs. Morelli, card player

Corinne Lahaye as Secretary of Gérard Chardonnet

Harald Leipnitz as

Pippo Merisi as

Siegfried Rauch as

Alexandre Rignault as

Katia Tchenko as

David Tonelli as

Janine Souchon as Dismissed companion (uncredited)