Bob Hoskins
— Angelo Roncalli / Pope John XXIII
Carlo Cecchi
— Cardinal Mattia Carcano
Roberto Citran
— Monsignor Loris Capovilla
Fabrizio Vidale
— Angelo Roncalli (young)
Sergio Bini Bustric
— Guido Gusso
Francesco Venditti
— Nicola Catania (young)
Rolando Ravello
— Cannava
John Light
— Mattia Carcano (young)
Francesco Carnelutti
— Nicola Catania
Lena Lessing
— Marta Von Papen
Joan Giammarco
Gianluca Ramazzotti
Monica Piseddu
Pietro Delle Piane
Dino Giarrusso
— Cameriere Von Papen