Cast
Elio Jotta
head of the Committee of Inquiry
Giuseppe Lo Presti
Sicilian character
Edda Ferronao
Mrs. Mattei
Francesco Rosi
Self (uncredited)
Luigi Squarzina
liberal journalist
Vittorio Fanfoni
journalist
Franco Graziosi
Minister of State partecipations
Jean Rougeul
French journalist
Dario Michaelis
Carabinieri officer
Gian Maria Volonté
Enrico Mattei
Terenzio Cordova
police officer
Néstor Garay
journalist
Giovanna Gravina Volonté
Self / Little Girl at Reception in Sicily (uncredited)
Gianni Rubens
Farmer (uncredited)
Accursio Di Leo
Sicilian character
Edy Biagetti
Mattei's bodyguard (uncredited)
Camillo Milli
TV journalist
Peter Baldwin
William McHale
Renato Romano
journalist
Aldo Barberito
Mauro De Mauro
Gianfranco Ombuen
Mr. Ferrari, the engineer