Jude Law
Lenny Belardo / Pope Pius XIII (10 eps)
Diane Keaton
Sister Mary (10 eps)
Silvio Orlando
Cardinal Voiello (10 eps)
Javier Cámara
Cardinal Gutierrez (10 eps)
Scott Shepherd
Cardinal Dussolier (10 eps)
Cécile de France
Sofia Dubois (10 eps)
Ludivine Sagnier
Esther Aubry (10 eps)
Toni Bertorelli
Cardinal Caltanissetta (10 eps)
James Cromwell
Cardinal Michael Spencer (10 eps)
Sebastian Roché
Cardinal Michel Marivaux (5 eps)
Guy Boyd
Archbishop Kurtwell (4 eps)
Alex Esola
Freddy Blakestone (2 eps)
Ignazio Oliva
Father Valente (1 eps)
Marcello Romolo
Don Tommaso (1 eps)
Ramón García
Cardinal Aguirre (1 eps)
Nicoletta Cefaly
Sister Spencer (1 eps)
Allison Case
Young Sister Mary (1 eps)
Riku Takeda
Tourist (1 eps)
Gianluca Guidi
Father Federico Amatucci (1 eps)
Jacob Desvarieux
African Cardinal (1 eps)
Vladimir Bibic
Cardinal Ozolins (1 eps)
Alessandra Fallucchi
Sister Spencer N.2 (1 eps)
Frank Gingerich
Young Lenny (1 eps)
Maurizio Lombardi
Cardinal Mario Assente (1 eps)
Matteo Lai
Tour Guide (1 eps)
Olivia Macklin
Madre (1 eps)
Giovanni Agrò
Monsignor Glasses (1 eps)
Armando Pizzuti
Father Triregno (1 eps)
Patrick Mitchell
Young Lenny (1 eps)