 | Rod Steiger als Edoardo Nottola |
 | Salvo Randone als Professor De Angelis |
 | Guido Alberti als Maglione |
 | Marcello Cannavale als Friend of Nottola |
| Dante Di Pinto als President of Inquiry Committee |
| Alberto Conocchia als Friend of Nottola |
| Carlo Fermariello als De Vita |
| Terenzio Cordova als Prosecutor |
| Gaetano Grimaldi Filioli als Friend of Nottola |
| Angelo D'Alessandro als Balsamo |
| Vincenzo Metafora als Mayor |
| Dany París als Dany |
| Alberto Amato als City Councillor (uncredited) |
 | Ennio Antonelli als Man in angry mob in Town Council (uncredited) |
| Renzo Farinelli als Jounalist (uncredited) |
 | Pasquale Martino als Head of the archive (uncredited) |
| Mario Perelli als Head of the technical office (uncredited) |
| Franco Rigamonte als City Councillor (uncredited) |
 | Renato Terra als Jounalist (uncredited) |
| Francesco Rosi | Director |
| Enzo Forcella | Screenplay |
| Enzo Provenzale | Screenplay |
| Lionello Santi | Producer |
| Mario Serandrei | Editor |
| Marilù Carteny | Costume Design |
| Franco Corridoni | Makeup Artist |
| Gianni Di Venanzo | Director of Photography |
| Fausto Ancillai | Sound Mixer |
| Pasqualino De Santis | Camera Operator |
| Piero Piccioni | Original Music Composer |
| Francesco Rosi | Story |
| Raffaele La Capria | Story |
| Francesco Rosi | Screenplay |
| Raffaele La Capria | Screenplay |
| Nando Cicero | First Assistant Director |
| Roberto Pariante | First Assistant Director |
| Marco Guarnaschelli | Second Assistant Director |
| Mario Forges Davanzati | Second Assistant Director |
| Vittorio Trentino | Sound |
| Marcello Mastrogirolamo | Assistant Camera |
| Osvaldo Massimi | Assistant Camera |
| Emilio Loffredo | Assistant Camera |
| Lamberto Pippia | Production Secretary |
| Dante Brini | Administration |
| Carlo Agate | Assistant Production Design |
| Mario Dolcetti | Still Photographer |
| Vittorugo Contino | Still Photographer |
| Giuseppe Muratori | Boom Operator |
| Eva Latini | Assistant Editor |
| Carlo Gentili | Set Decoration |
| Carlo Rossi | Set Decoration |
| Sergio Canevari | Production Design |
| Massimo Rosi | Set Designer |
| Roberto Cocco | Unit Manager |
| Gaetano Amata | Unit Manager |
| Enzo Provenzale | Line Producer |
