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