"A well-known business lawyer is shot dead in the courthouse. A commissioner of the Criminal Brigade is in charge of the investigation and is helped by a journalist."
Claude Brasseur
as Commissaire Martin Griffon
Gabrielle Lazure
as Sybille Berger
Jean-Claude Brialy
as Le contrôleur Jean-François Rambert
Jean-Louis Trintignant
as Christian Lacassagne
Dayle Haddon
as Suzy Thomson, alias D'Annunzio
Robert Hirsch
as Avram Kazavian
Jacques Dacqmine
as Me Antoine d'Alins
Daniel Jégou
as Philippe d'Alins
Luc-Antoine Diquéro
as Antoine Gomez
Yves Beneyton
as Millard, le directeur du ministre de l'Intérieur
Jacques Bondoux
as Un observateur
Alain Terzian
Producer
Philippe Labro
Director
Jacques Labib
Writer
Françoise Galfré
Supervising Producer
Reinhardt Wagner
Music
Pierre-William Glenn
Director of Photography
Thierry Derocles
Editor
Serge Douy
Production Design
Jean-Patrick Manchette