Czesław Roszkowski

as Barski

as Flaw Commitee Member

as profesor

as Bein

as Mikołaj Kotula

as Telegram Carrier

as Wacław Kawanias

as Teacher

as Jonasz Reguła

as Counselor Baczyński / Koziołek, lost-and-found office worker

as Agnieszka's neighbor (uncredited)