Ed Asner as Angelo Roncalli

Massimo Ghini as Angelo Roncalli giovane

Claude Rich as Cardinal Ottaviani

Michael Mendl as Tardini

Franco Interlenghi as Radini Tedeschi

Sydne Rome as Rada Krusciova

Jacques Sernas as Cardinale Feltin

Leonardo Ruta as Remo Roncalli

Paolo Gasparini as Monsignor Loris Capovilla

Sergio Fiorentini as Don Rebuzzini

Roberto Accornero as

Heinz Trixner as Von Papen

Ivan Bacchi as

Bianca Guaccero as

Emilio De Marchi as

Guido Roncalli as

Giorgia Bongianni as

Enzo Marino Bellanich as

Alvaro Piccardi as Monsignor Samorè

Osvaldo Ruggieri as

Gabriele Antonini as

Tosca D'Aquino as Angelo's mother

Anna Valle as Rosa

Carlo Lizzani as Pio XII

Antonio Sarasso as