 Terence HillMarco Manin | Marco Manin |
 Martin BalsamDistrict Attorney Turrisi | District Attorney Turrisi |
 Paola PitagoraLuisa Santini | Luisa Santini |
 Adalberto Maria MerliClaudio Santini | Claudio Santini |
 Shirley CorriganNorma Zeitzler | Norma Zeitzler |
 Maria Teresa AlbaniAdalgisa Alberti | Adalgisa Alberti |
 Rita CalderoniMrs. Manin | Mrs. Manin |
| GGiulia TurrisiEsmeralda Ruspoli | Esmeralda Ruspoli |
 Pietro TordiMaresciallo Falcchetti, Inspector of Police | Maresciallo Falcchetti, Inspector of Police |
 Néstor GarayDoctor | Doctor |
| LLuca SportelliForensic doctor | Forensic doctor |
 Piero GerliniJudge | Judge |
| GGiorgos KovaiosAmedeo Domenichetti, the hunter | Amedeo Domenichetti, the hunter |
 Ettore GeriLawyer De Vecchi | Lawyer De Vecchi |
 Alessandro SperliJudge in Rome | Judge in Rome |
| EEnrico FormichiHotel manager | Hotel manager |
 Orazio StracuzziAn official who searches the files | An official who searches the files |
 Enzo RobuttiManca, colleague of Turrisi | Manca, colleague of Turrisi |
 Salvatore PuntilloMustachioed police inspector in Rome | Mustachioed police inspector in Rome |
 Giovanni BrusadoriBruno Neri, the eyewitness with glasses | Bruno Neri, the eyewitness with glasses |
 Vittorio SanipoliGracious Gentleman | Gracious Gentleman |
| GGina MattaroloNun in Prison | Nun in Prison |
 Isabelle MarchallEdith Mollendorf | Edith Mollendorf |
 Calisto CalistiNot listed | Not listed |
 Luigi MontiniNot listed | Not listed |
 Esmeralda RuspoliNot listed | Not listed |
| SSimmons BarrieOfficer of criminal laboratory department | Officer of criminal laboratory department |
 Francesco D'AddaNot listed | Not listed |
| AAntonio Della RoccaNot listed | Not listed |
 Bianca DoriaNot listed | Not listed |
