Roberto Bisacco

as Rettore

as Mauro Cimatti (1 episode)

as Mantovano

as Dr. Cipriano

as Petrilli

as Osvaldo Ferretti

as Hermann

as Marzio

as Cooper (as Robert Ben)

as Prof. Riety

as Ralph

as Il dottore

as Lord Warburton (3 episodes)

as Juan Montalvo de Montalbon

as Avvocato Donati

as Stefano Vanzi

as Niccolò Di Cocco Donati (3 episodes)

as Gazza

as Sandro

as Claudio

as Gastion