Jan Koecher

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

as The Prince

as Professor Edward Ryszpans

as Professor Opałko

as General de With

as Kalina

as Professor Trębski

as Kostarski

as Doctor

as Poet

as Bolesławiec

as Hermit

as Stanisław Moniuszko

as doktor Pulkowski