Kopovich
Parenti
Inspector Jansen
Piotr
Padre Jeronimo Cattaneo
Costantino Imbriani
Jason
Cleophas
Prof. John Fielding (voice)
Dino Grandi
Milanese captain
(uncredited)
Alfredo Tonelli
Papa Leone III
Santarelli
Oliviero Lecoeur
Eric Edwards
Cardinal Federico Borromeo
Antonio Vessier
Ghedini
Avvocato Cantini
Major Horst
Petr Sergeevič Trofimov
Inspector Saccara
Erich Hoepner
Flavio Altieri
Eugenio Davis
Commissario Vian
Arrow
Piperno