Pope Leo XIV
Cardinal Stefano Biondi
Monsignor Francesco Ghezzi
Abalardi
Monsignor Colin McGee
Ciolino
Lucia
Giuliano
Isabella
Cardinal Augusto Morante
Fortunato
Monsignor Betti
Mother of Sick Boy
Secretary, Sistine Chapel
Ambassador
Nun Interpreter
Tonino
Bastiano
Tour Group Leader (as Julian Jenkyns)
Tourist
Pizzeria Owner
Carabiniere at Montepetra
Truck Driver
Vatican Switchboard Operator (as Tessa Passante)
Montepetra Bartender
Reporter #1
Reporter #2
Acolyte
Bishop
Man Robbed in Montepetra
Monitor Room Guard
Mr. Carver
Cardinal (uncredited)