Renato De Carmine

as Jason

as (uncredited)

as Prof. John Fielding (voice)

as Costantino Imbriani

as Inspector Jansen

as Lt. Charles LeClerq

as Avvocato Cantini

as Cleophas

as Padre Jeronimo Cattaneo

as Inspector Saccara

as Cardinal Federico Borromeo

as Major Horst

as Arrow

as Piperno

as Parenti

as Antonio Vessier

as Eugenio Davis

as Milanese captain

as Kopovich

as Dino Grandi

as Alfredo Tonelli

as Oliviero Lecoeur

as Ghedini

as Flavio Altieri

as principe Von Berg

as Cappellano

as Giovanni

as Commissario Vian

as Bob Marshall

as Piotr

as Santarelli

as Eric Edwards

as Petr Sergeevič Trofimov

as Torvald Helmer

as Commissario Alzani