Characters played by John Mills
Monsignor Blaise Meredith
Characters played by Stéphane Audran
Anne - Contessa di Sanctis
Characters played by Jason Miller
Dr. Aldo Meyer
Characters played by Paola Pitagora
Nina Sanduzzi
Characters played by Daniel Massey
Nicholas Black
Characters played by Leigh Lawson
Capt. James Black
Giacomo Nerone
Characters played by Timothy West
Father Anselmo
Characters played by Patrick Mower
Il Lupo
Characters played by Romolo Valli
Cardinal Marotta
Characters played by Raf Vallone
Bishop Aurelio
Characters played by Jack Hedley
Vatican Doctor
Characters played by Winni Riva
Rosa
Characters played by Hartmut Solinger
German Lieutenant
Characters played by Janos Grapow
Paolo