Jerzy Bińczycki

as Rafał Wilczur / Antoni Kosiba

as Maciej Królik-Rózeczka

as Karwański

as Onion, Polish language teacher

as działacz

as Professor

as Andrzej Nowacki

as Guard (uncredited)

as Institute Director

as strażnik

as Bogumił Niechcic

as profesor Filidor

as Bernard

as counselor discussing case in antique shop

as Professor

as Jan Kasprowicz

as Józef

as ojciec Sary

as Ksiądz

as Sailor

as Famous Reporter

as Bogumił Niechcic

as Józef Turowski

as Doctor

as Zbierski, dyrektor kopalni von Teussów, ojciec Jurka

as Captain Piotr Zaremba

as Jew on a Ramp

as Miner (uncredited)

as German Tourist

as Byk

as Andrzej

as Dr. Andrzej Bloch

as Felicjan Dulski

as Pimko

as Gienio

as deutscher soldaten-fahrer