"A prominent politician is murdered during a demonstration. The government and army are trying to suppress the truth. But, a tenacious magistrate is determined to not to let them get away with it."
Yves Montand
as Z
Irene Papas
as Hélène
Jean-Louis Trintignant
as Examining Magistrate
Jacques Perrin
as Photojournalist
Charles Denner
as Manuel
François Périer
as Public Prosecutor
Bernard Fresson
as Matt
Pierre Dux
as Gendarmerie General Missou
Georges Géret
as Nick
Magali Noël
as Nick's Sister
Marcel Bozzuffi
as Vago
Julien Guiomar
as Gendarmerie Colonel
Renato Salvatori
as Yago
Jean Bouise
as Deputy Georges Pirou
Clotilde Joano
as Shoula
Maurice Baquet
as Heroic Bricklayer
Habib Reda
as Deputy Public Prosecutor
Hassan El-Hassani
as General's Chauffeur
Gérard Darrieu
as Barone
Jean-Pierre Miquel
as Pierre
Sid Ahmed Agoumi
as Gendarmerie Officer
Jean Dasté
as Illya Coste
Van Doude
as Hospital Director
Jean-François Gobbi
as Jimmy
Guy Mairesse
as Dumas aka The Russian
Andrée Tainsy
as Nick's Mother
Eva Simonet
as Niki
François Chaumette
as (voice)
Allel El Mouhib
as
José Artur
as Editor-in-Chief of the Newspaper (uncredited)
Raoul Coutard
as English Surgeon (uncredited)
Steve Gadler
as English Photographer (uncredited)
Gabriel Jabbour
as Bozzini (uncredited)
Georges Rouquier
as Attorney General (uncredited)
Costa-Gavras
Director
Director of Photography
Míkis Theodorakis
Original Music Composer
Vasilis Vasilikos
Novel
Noureddine Hiahemzizou
Assistant Set Decoration
Jorge Semprún
Writer
Philippe d'Argila
Associate Producer
Eric Schlumberger
Françoise Bonnot
Editor
Hubert Mérial
Production Manager
Piet Bolscher
Costume Design
Georges Liron
Camera Operator
Alex Pront
Sound Engineer
Jacques d'Ovidio
Production Design
Michèle Boëhm
Sound Editor
Jean Nény
Jean Garcenot
Set Decoration
Yvan Chiffre
Stunt Coordinator
Ghaouti Bendedouche
Assistant Director
Bernard Gérard
Orchestrator
Philippe Monnier
Ahmed Rachedi
Producer
Annie Maurel
Script Supervisor