Gw mau tau Pemeran dari The Mattei Affair

Gian Maria Volontè - Enrico Mattei

Gianfranco Ombuen - Ing. Ferrari

Edda Ferronao - Mrs. Mattei

Accursio Di Leo - Sicilian important man #1

Giuseppe Lo Presti - Sicilian important man #2

Aldo Barberito - Journalist Mauro De Mauro

Dario Michaelis - Carabinieri official

Peter Baldwin - McHale (journalist)

Elio Jotta - Head of commission

Terenzio Cordova - Police official

Camillo Milli - Change teller

Jean Rougeul - American official