"A detective is assigned to investigate the mysterious murders of some Supreme Court judges."
Lino Ventura
as Inspector Amerigo Rogas
Tino Carraro
as Chief of Police
Marcel Bozzuffi
as The Lazy
Paolo Bonacelli
as Dr. Maxia
Alain Cuny
as Judge Rasto
Maria Carta
as Madame Cres
Luigi Pistilli
as Cusan
Tina Aumont
as The Prostitute
Renato Salvatori
as Police Commissioner
Paolo Graziosi
as Galano
Anna Proclemer
as Nocio's Wife
Fernando Rey
as Security Minister
Max von Sydow
as Supreme Court President
Charles Vanel
as Procurator Varga
Carlo Tamberlani
as Archbishop
Corrado Gaipa
as Sospettato mafioso
Enrico Ragusa
as Monaco Cappuccino
Claudio Nicastro
as Generale
Francesco Callari
as Judge Sanza
Mario Meniconi
as Meccanico omosessuale
Accursio Di Leo
as Assistente di Rogas
Ernesto Colli
as Detective notturno
Silverio Blasi
as Capitano della stazione di polizia
Alfonso Gatto
as Nocio
Renato Turi
as Conduttore televisivo
Francesco Rosi
Director
Alessandro von Norman
Line Producer
Franco Ballati
Unit Manager
Renato Guttuso
Set Decoration
Mario Schifano
Gianni Arduini
First Assistant Director
Bruno Cortini
Second Assistant Director
Franca Invernizzi
Script Supervisor
Lea Mazzocchi
Assistant Editor
Ugo De Rossi
Paolo Fabbri
Production Secretary
Lynn Kamern
Sergio Giussani
Administration
Anna Maria Novelli
Mario Cimini
Camera Operator
Marcello Mastrogirolamo
Assistant Camera
Adolfo Bartoli
Sergio Strizzi
Still Photographer
Adalgisa Favella
Hairstylist
Mario Bramonti
Sound
Giuseppe Muratori
Boom Operator
Renato Marinelli
Sound Effects
Arrigo Breschi
Marco Dentici
Giovanni Viti
Assistant Costume Designer
Luciano Leoni
Gaffer
Aldo Colanzi
Key Grip
Romano Checcacci
Sound Mixer
Piero Piccioni
Original Music Composer
Screenplay
Tonino Guerra
Lino Iannuzzi
Leonardo Sciascia
Novel
Alberto Grimaldi
Producer
Pasqualino De Santis
Director of Photography
Ruggero Mastroianni
Editor
Andrea Crisanti
Production Design
Enrico Sabbatini
Costume Design
Franco Freda
Makeup Artist