as Duca di Urbino
as Prof. Alberto Levin
as Aronne
as Ufficiale (uncredited)
as Count Sigfrido di Treviri
as Andrea Paresi
as Joe
as Giulio Torelli
as Maurizio
as Alberto
as Frank Smith, agent 006
as Giudice
as Pentheus
as Chirone
as Doc
as Octavian
as Commissioner Ferretti
as Escinio
as Milziade
as Baron Rudolf Keller
as Ayak
as Magri
as Mauri
as Tancredi
as L'ingegnere
as Radiotelegrafista
as Miguel
as Gianni
as Paolino
as Dr. Andrew Manson
as Ispettore John Clay
as himself
as Harry Brent
