as Viscount Turin
as Dr. Mesmer's Friend
as Conte di Loisy
as Eliot Wilkins
as Corteggiatore Di Mafalda (uncredited)
as capitano del corso
as Il tenente Mousseret
as Roberto Astorri
as Il conte
as Franco della Spina
as Count Guido Severi
as Igor Cernicevskij
as Lt. George Birkemore
as Conte Paolo di Ronni
as Industriale
as Ralph
as Dario
as Dr. Berti
as Brigadiere Carlo