as Cleophas
as Lt. Charles LeClerq
as Eric Edwards
as Prof. John Fielding (voice)
as Flavio Altieri
as Inspector Jansen
as Antonio Vessier
as Giovanni
as Torvald Helmer
as Petr Sergeevič Trofimov
as Parenti
as Avvocato Cantini
as Cappellano
as Jason
as Dino Grandi
as Cardinal Federico Borromeo
as Alfredo Tonelli
as Kopovich
as (uncredited)
as Costantino Imbriani
as Padre Jeronimo Cattaneo
as Major Horst
as Piotr
as Ghedini
as Inspector Saccara
as Milanese captain
as principe Von Berg
as Santarelli
as Arrow
as Eugenio Davis
as Piperno
as Bob Marshall
as Commissario Vian
