President of Court
Garrone
Danilo Borelli 'Bibi'
Felice Balsamo
Paul III
Doctor Carrua
Manuel Esteban
Police Chief
Rev. Pierce
Prof. Calogeri
professor De Amatis
John Charles Dunn
Capitano di guardia (uncredited)
Fürst Piero di Veneria
Raffaele Ferri
Procuratore Malta
(uncredited)
Cardinal d'Arezzo
Chief Physician
Mr. Robinson
duca Saverio Savelli
Giacomo
Director of Casa del Giovane
Martinetti