character - Joe

character - himself

character - Ispettore John Clay

character - Harry Brent

character - Tancredi

character - Doc

character - L'ingegnere

character - Commissioner Ferretti

character - Duca di Urbino

character - Frank Smith, agent 006

character - Octavian

character - Count Sigfrido di Treviri

character - Escinio

character - Dr. Andrew Manson

character - D'Artagnan

character - Magri

character - Miguel

character - Baron Rudolf Keller

character - Ufficiale (uncredited)

character - Paolino

character - Alberto

character - Andrea Paresi

character - Giudice

character - Maurizio

character - Ayak

character - Gianni

character - Giulio Torelli

character - Pentheus

character - Chirone

character - Prof. Alberto Levin

character - Milziade

character - Radiotelegrafista

character - Aronne

character - Mauri