Directed by Elio Petri
Written by Elio Petri, Ugo Pirro
Cinematography Luigi Kuveiller
Edited by Ruggero Mastroianni
Cast Gian Maria Volonté, Florinda Bolkan, Gianni Santuccio, Orazio Orlando, Sergio Tramonti, Arturo Dominici, Aldo Rendine, Massimo Foschi