Jan Koecher

as Doktor Pulkowski ("Top Secret") (uncredited)

as The Prince

as doktor Pulkowski

as Professor Edward Ryszpans

as General de With

as Kalina

as Professor Opałko

as Professor Trębski

as Kostarski

as Poet

as Doctor

as Bolesławiec

as Hermit

as Stanisław Moniuszko