as L'arciduca Cirillo
as Manuel de Haviland
as Il commandante Baldi (uncredited)
as Barof, redattore mondano
as Zoffoli
as Demetrio, il maggiordomo
as Antonio
as Il barista
as Barone Kapperdof
as Direttore della Stazione Radio
as Il gioielliere
as Sablonscky
as Un altro scienziato
as L'ingegner Zanni
as Signore Piccirillo
as Flavio de Nerestra
as Conte Amedeo
as Il marchese Enrico Poli di Torrebruciata
as Rodolfo Meseri
as Il regista Riva
as Generale Ivan Petrovic
