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