Renato De Carmine

as Santarelli

as Padre Jeronimo Cattaneo

as Giovanni

as Alfredo Tonelli

as Piperno

as Avvocato Cantini

as Cleophas

as Arrow

as Cardinal Federico Borromeo

as Il preside

as Eric Edwards

as Lt. Charles LeClerq

as Costantino Imbriani

as Commissario Vian

as Bob Marshall

as Inspector Jansen

as Milanese captain

as Cappellano

as Inspector Saccara

as Major Horst

as Dino Grandi

as principe Von Berg

as Eugenio Davis

as Piotr

as Petr Sergeevič Trofimov

as Torvald Helmer

as Jason

as Papa Leone III

as (uncredited)

as Erich Hoepner

as Willy Hilfe

as Ghedini

as Parenti

as Prof. John Fielding (voice)

as Commissario Alzani

as Oliviero Lecoeur

as Antonio Vessier

as Flavio Altieri

as Kopovich