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