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