 | Bob Hoskins als Angelo Roncalli / Pope John XXIII |
 | Carlo Cecchi als Cardinal Mattia Carcano |
 | Roberto Citran als Monsignor Loris Capovilla |
 | Fabrizio Vidale als Angelo Roncalli (young) |
 | Sergio Bini Bustric als Guido Gusso |
 | Francesco Venditti als Nicola Catania (young) |
 | Rolando Ravello als Cannava |
 | John Light als Mattia Carcano (young) |
 | Francesco Carnelutti als Nicola Catania |
 | Lena Lessing als Marta Von Papen |
 | Joan Giammarco |
 | Gianluca Ramazzotti |
 | Monica Piseddu |
 | Pietro Delle Piane |
| Ricky Tognazzi | Director |
| Simona Izzo | Writer |
| Marco Roncalli | Writer |
| Jasna Dragović | Art Direction |
| Ennio Morricone | Original Music Composer |
| Béatrice Kruger | Casting |
| Fabrizio Bettelli | Writer |
| Carla Simoncelli | Editor |
| Guido De Angelis | Executive Producer |
| Massimo Ferrero | Producer |
| Tani Canevari | Director of Photography |