Enrico Mattei

Gian Maria Volonté

liberal journalist

Luigi Squarzina

Himself / journalist

Sennuccio Benelli

journalist

Renato Romano

McHale

Peter Baldwin

Minister of State partecipations

Franco Graziosi

Journalist #2

Vittorio Fanfoni

Mrs. Mattei

Edda Ferronao

Ferrari

Gianfranco Ombuen

journalist

Nestor Garay

head of the Committee of Inquiry

Elio Jotta

Sicilian Man

Accursio Di Leo

Irnerio Bertuzzi

Luciano Colitti

Carabinieri Official

Dario Michaelis

Mattei's assistant

Furio Colombo

American official

Jean Rougeul

police officer

Terenzio Cordova

Sicilian character

Giuseppe Lo Presti

TV journalist

Camillo Milli

Mauro De Mauro

Aldo Barberito

journalist

Nino Drago

Sicilian character

Felice Fulchignoni

Himself / journalist

Ugo Zatterin

American oilman

Blaise Morrissey

Himself / journalist

Gianni Farneti

Time" journalist

Alessio Baume

Himself / journalist

Umberto D'Arrò

Himself / journalist

Salvo Licata

Himself / journalist

Giuseppe Rosselli

Himself (archival footage)

Ferruccio Parri

Himself

Michele Pantaleone

Himself

Arrigo Benedetti

Himself

Thyraud De Vosjoli

Himself (uncredited)

Francesco Rosi

Himself / flight assistant (uncredited)

Andrea Artoni

Mattei's bodyguard (uncredited)

Edy Biagetti

Self / Little Girl at Reception in Sicily (uncredited)

Giovanna Gravina Volonté

Farmer (uncredited)

Gianni Rubens