Romolo Costa

as don Ferdinando Trao (6 episodes)

as Generale Ivan Petrovic (6 episodes)

as Manuel de Haviland

as Leopoldo Morache

as Dottore Enrico Sarti

as Demetrio, il maggiordomo

as Giuseppe, il maggiordomo

as Signore Piccirillo

as Il marchese Enrico Poli di Torrebruciata

as Schröder

as L'avvocato Serra

as conte Ruggero Velasco

as Un altro scienziato

as La Rochelle

as Sablonscky

as Il principale

as Il barista