 Gian Maria VolontéDottore | Dottore |
 Florinda BolkanAugusta Terzi | Augusta Terzi |
 Gianni SantuccioPolice Prefect | Police Prefect |
 Orazio OrlandoBiglia | Biglia |
 Sergio TramontiAntonio Pace | Antonio Pace |
 Arturo DominiciMangani | Mangani |
 Aldo RendineNicola Panunzio | Nicola Panunzio |
 Massimo FoschiAugusta's Husband | Augusta's Husband |
 Aleka PaiziGoverness | Governess |
 Vittorio DuseCanes | Canes |
 Pino PattiWiretapping Dep. Head | Wiretapping Dep. Head |
 Salvo RandonePlumber | Plumber |
 Fulvio GrimaldiPatanè | Patanè |
 Giuseppe Aguinaldo NicastroNot listed | Not listed |
| FFilippo De GaraNot listed | Not listed |
 Ugo AdinolfiNot listed | Not listed |
 Franco MarlettaNot listed | Not listed |
| GGiacomo BelliniNot listed | Not listed |
 Giuseppe TerranovaNot listed | Not listed |
| VVincenzo FalangaNot listed | Not listed |
 Roberto BonanniNot listed | Not listed |
| GGuido BuzzelliNot listed | Not listed |
| GGino UsaiNot listed | Not listed |
 Calogero AzzarettoMan Listening the Speech of Dottore (uncredited) | Man Listening the Speech of Dottore (uncredited) |
 Gianfranco BarraInterrogation Officer (uncredited) | Interrogation Officer (uncredited) |
 Aristide CaporaleMan at Police Headquarters (uncredited) | Man at Police Headquarters (uncredited) |
 Ettore GeriOfficer Attending the Final Confession (uncredited) | Officer Attending the Final Confession (uncredited) |
 Alfonso GigantiPoliceman (uncredited) | Policeman (uncredited) |
| FFranco MagnoOfficer Attending the Final Confession (uncredited) | Officer Attending the Final Confession (uncredited) |
 Enrico MarcianiOfficer Attending the Final Confession (uncredited) | Officer Attending the Final Confession (uncredited) |
