

Gian Maria Volonté
Enrico Mattei

Luigi Squarzina
liberal journalist

Peter Baldwin
William McHale

Renato Romano
journalist

Franco Graziosi
Minister of State partecipations

Gianfranco Ombuen
Mr. Ferrari, the engineer

Elio Jotta
head of the Committee of Inquiry
Luciano Colitti
Irnerio Bertuzzi

Edda Ferronao
Mrs. Mattei

Accursio Di Leo
Sicilian character

Terenzio Cordova
police officer

Giuseppe Lo Presti
Sicilian character