 Rod SteigerEdoardo Nottola | Edoardo Nottola |
 Salvo RandoneProfessor De Angelis | Professor De Angelis |
 Guido AlbertiMaglione | Maglione |
| MMarcello CannavaleFriend of Nottola | Friend of Nottola |
| DDante Di PintoPresident of Inquiry Committee | President of Inquiry Committee |
| AAlberto ConocchiaFriend of Nottola | Friend of Nottola |
| CCarlo FermarielloDe Vita | De Vita |
 Terenzio CordovaProsecutor | Prosecutor |
| GGaetano Grimaldi FilioliFriend of Nottola | Friend of Nottola |
| AAngelo D'AlessandroBalsamo | Balsamo |
| VVincenzo MetaforaMayor | Mayor |
 Dany ParísDany | Dany |
| AAlberto AmatoCity Councillor (uncredited) | City Councillor (uncredited) |
 Ennio AntonelliMan in angry mob in Town Council (uncredited) | Man in angry mob in Town Council (uncredited) |
| RRenzo FarinelliJounalist (uncredited) | Jounalist (uncredited) |
 Pasquale MartinoHead of the archive (uncredited) | Head of the archive (uncredited) |
| MMario PerelliHead of the technical office (uncredited) | Head of the technical office (uncredited) |
| FFranco RigamonteCity Councillor (uncredited) | City Councillor (uncredited) |
 Renato TerraJounalist (uncredited) | Jounalist (uncredited) |
