Jerzy Duszyński

as Roman Tokarski

as Professor

as Andrzej Zagórski

as Captain

as Wiktor Poradzki

as Henryk Liciński

as Stefan Witwicki

as Frątczak

as USC Clerk (uncredited)

as Stanisław Olszowski

as Doctor Jerzy Zalewski

as Wójcik, szef Janickiego

as [obsada aktorska]