Paul Kerjean

Patrick Dewaere

Acting

Michel Saint-Claude, director of GTI-Europe

Michel Auclair

Acting

Hélène Kerjean

Caroline Cellier

Acting

Walter, private detective

Charles Denner

Acting

Laura Weber, JBL's mistress

Anny Duperey

Acting

Madame Benoît-Lambert

Jeanne Moreau

Acting

Cornelius A. Woaegen, president of GTI

Mel Ferrer

Acting

Serge Hartmann, director of La Tribune

Jean-Laurent Cochet

Acting

Mr. Guérande

Fernand Ledoux

Acting

Pierre Bayen, editor-in-chief

André Falcon

Acting

Dr. Gerhard Kramer

Claude Vernier

Acting

Madame Bronsky

Édith Scob

Acting

Fred Great

Jacques François

Acting

Jacques Benoît-Lambert, aka 'JBL'

Robert Party

Acting

Bronsky, then Stan Hankins, the informant

Jean-Pierre Kalfon

Acting

Joachim Holstein, Director of GTI-Austria

Jean Mercure

Acting

Kerjean's secretary

Claude Marcault

Acting

Jack Sleiter, director of GTI

Jacques Maury

Acting

Arlène Robert

Jacqueline Doyen

Acting

Sylvestre

Marc Eyraud

Acting

Vittorio Orta, Director of GTI-Italy

Jean Claudio

Acting

Accuser

Anthony Stuart

Acting

Kurt von Schroeder

Hans Verner

Acting

GTI controller

Edward Marcus

Acting

French interpreter in court

Pierre Londiche

Acting

Bastien Kerjean

Camille Clavel

Directing

Ralph von Lübeck

Edmond Bernard

Acting

Concierge

Frédérique Meininger

Acting

Hotel receptionist

François Viaur

Acting

Madame Benoît-Lambert's maid

Marie-Pierre Casey

Acting

Police commissioner

Jacques David

Acting

Enthusiastic reader

Marc Fayolle

Acting

Suta Burishawa

Yaseen Khan

Acting

Waiter at the brasserie

Roger Comte

Acting

Secretary of the Walter agency

Marie-Christine Rolland

Acting

Germaine Guérande (uncredited)

Yvonne Dany

Acting

Éric Bronsky (uncredited)

Rachid Ferrache

Acting

Madame Bayen (uncredited)

Sacha Lavin

Acting

Madame Holstein (uncredited)

Fabienne Mai

Acting

The follower (uncredited)

Bernard Tachl

Acting