 | Maximilian Schell als Giuseppe |
 | Ricardo Montalban als Don Raspi |
 | Lea Padovani als Giuseppe's Mother |
 | Akim Tamiroff als Bishop Durso |
 | Harold Goldblatt als Father Giovanni- 'The Father Guardian' |
 | Arnoldo Foà als Felixa- Giuseppe's Father |
 | Carlo Croccolo als The Gobbo- the Hunchback |
 | Giulio Bosetti als Brother Orlando |
 | Armand Mestral |
 | Elisa Cegani als Sister |
 | Giacomo Rossi Stuart |
 | Tonio Selwart als Examining Prelate |
 | Odoardo Spadaro |
 | Mino Doro |
 | Bruno Cattaneo |
 | Giovanni Ivan Scratuglia |
| Redd Davis |
 | Mel Welles |
| Walter Maslow |
 | Ed McCready |
| Alberto Lolli |
 | Curt Lowens |
| David Maunsell |
| Sandro Merli |
 | Gustavo De Nardo |
 | Cyrus Elias |
| Dafydd Havard |
| Edward Dmytryk | Director |
| John Fante | Writer |
| Joseph Petracca | Writer |
| Edward Dmytryk | Producer |
| Nino Rota | Music |
| C.M. Pennington-Richards | Director of Photography |
| Mario Chiari | Art Direction |
| Maria De Matteis | Costume Design |
| Manuel del Campo | Editor |
| Vincenzo Labella | Technical Advisor |
| Claude Hitchcock | Sound Director |
| Giorgio Morra | Production Manager |
| Pasquale Romano | Assistant Art Director |
| Sergio Bergamini | Camera Operator |
| Mara Blasetti | Unit Manager |
| Otello Fava | Makeup Designer |
| Marisa Crimi | Assistant Costume Designer |
