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