Martine Carol

Olga Schneide

Claude Farell

Suzanne Wilson

Yves Vincent

Luigi Costelli

Raymond Rouleau

Georges Masse

Bernard Lajarrige

'Petit Louis'

Henri Crémieux

Mr. Dubois

Pierre Destailles

Lionel, the traveler

Monique Darbaud

The be bop dancer

Madeleine Barbulée

Ms. Dubois

Anne-Marie Duverney

Anne-Marie

Claude Winter

Louis Bugette

The first killer

Robert Le Béal

The second killer

Françoise Lugagne

Janine Lambert

Ky Duyen

Mr. Dou

Robert Arnoux

Editor-in-chief

Noël Roquevert

Commissioner Besnard

Georgette Anys

A shorthand typist (uncredited)

Joëlle Bernard

A hostess

Paul Bisciglia

(uncredited)

Gérard Buhr

A journalist (uncredited)

Jacqueline Joubert

A typist (uncredited)

Marcel Loche

The Fire Captain (uncredited)

Max Rogerys

(uncredited)