Diễn viên
John Mills
Monsignor Blaise Meredith
Jason Miller
Dr. Aldo Meyer
Paola Pitagora
Nina Sanduzzi
Leigh Lawson
Giacomo Nerone / James Black
Timothy West
Father Anselmo
Romolo Valli
Cardinal Marotta
Jack Hedley
Doctor
Daniel Massey
Nicholas Black
Stéphane Audran
Contess Anne Di Sanctis
Patrick Mower
'Il Lupo'
Raf Vallone
Bishop Aurelio