Renato Cialente

as il cav. Greisberg

as Avvocato De Martino

as Gerardo de Valmont

as Antonio Ravaldo

as Jim Mayer Flynn

as Avvocato Pini

as Il barone

as Costantino Nigra

as Il ministro Sir Henry Bells

as Il direttore generale della Radio di Budapest

as Carafa

as Korsanoff

as Pietro Bontay

as Il podestà

as Il barone Maurizio Dalprà

as Il tenenete Folganay

as Conte Giacomo Vharé

as Sir Robert Jameson

as Michele

as L'architetto Andrea Marcus

as Il dottor Arrigo Palmieri

as Alfonso Lombardi

as Conte Ernrsto Malibran

as Edward Swalt

as commissario von Krauss