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

Heinz Trixner

as Von Papen

Ivan Bacchi

Bianca Guaccero

Emilio De Marchi

Guido Roncalli

Giorgia Bongianni

Enzo Marino Bellanich

Alvaro Piccardi

as Monsignor Samorè

Osvaldo Ruggieri

Gabriele Antonini

Tosca D'Aquino

as Angelo's mother

Anna Valle

as Rosa

Carlo Lizzani

as Pio XII

Antonio Sarasso