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