as Joe
as himself
as Ispettore John Clay
as Harry Brent
as Tancredi
as Doc
as L'ingegnere
as Commissioner Ferretti
as Duca di Urbino
as Frank Smith, agent 006
as Octavian
as Count Sigfrido di Treviri
as Escinio
as Dr. Andrew Manson
as D'Artagnan
as Magri
as Miguel
as Baron Rudolf Keller
as Ufficiale (uncredited)
as Paolino