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