Cast
- Bob Hoskins as Angelo Roncalli / Giovanni XXIII
- Carlo Cecchi as Cardinale Mattia Carcano
- Roberto Citran as Monsignor Loris Capovilla
- Fabrizio Vidale as Angelo Roncalli (giovane)
- Sergio Bini Bustric as Guido Gusso
- Francesco Venditti as Nicola Catania (giovane)
- Rolando Ravello as Cannava
- John Light as Mattia Carcano (giovane)
- Francesco Carnelutti as Nicola Catania
- Lena Lessing as Marta Von Papen