Gian Maria Volonté
Enrico Mattei
Luigi Squarzina
liberal journalist
Peter Baldwin
William McHale
Franco Graziosi
Minister of State partecipations
Gianfranco Ombuen
Mr. Ferrari, the engineer
Elio Jotta
head of the Committee of Inquiry
Luciano Colitti
Irnerio Bertuzzi
Accursio Di Leo
Sicilian character
Terenzio Cordova
police officer
Giuseppe Lo Presti
Sicilian character
Camillo Milli
TV journalist
Aldo Barberito
Mauro De Mauro
Jean Rougeul
French journalist
Dario Michaelis
Carabinieri officer
Vittorio Fanfoni
journalist
Felice Fulchignoni
Sicilian character
Sennuccio Benelli
Self / journalist
Furio Colombo
Mattei's assistant
Ugo Zatterin
Self / journalist
Blaise Morrissey
American oilman
Gianni Farneti
Self / journalist
Alessio Baume
"Time" journalist
Umberto D'Arrò
Self / journalist
Salvo Licata
Self / journalist
Giuseppe Rosselli
Self / journalist
Ferruccio Parri
Self (archival footage)
Francesco Rosi
Self (uncredited)
Andrea Artoni
Self / flight assistant (uncredited)
Edy Biagetti
Mattei's bodyguard (uncredited)
