as Doctor Marco Salvi
as Leopoldo's Boss
as Alberto Moretti
as Ten. Rathenau
as Antonio
as Osvaldo "Tapparella" Proietti
as Anselmo Bresci
as Carlo Donati Dadda
as marchese Lollo D'Alfieri
as Marino
as George Taylor
as Umberto
as Sebastiano
as Humphrey Van Weyden
as Prof. Marino Magnolato
as Neville Strange
as Bruno Berni
as Stefano Mascardi
as Enrico Bettiol
as Diego Olivares
as Sárkány