Ewa Szykulska
— Ewa
Jerzy Bogajewicz
— Jerzy
Jerzy Block
— Committee Chairman (uncredited)
Zbigniew Buczkowski
— Porter (uncredited)
Ludmiła Dąbrowska
— Tenant (uncredited)
Adam Dzieszyński
— Committee Member (uncredited)
Jan Himilsbach
— Porter (uncredited)
Aleksander Jackiewicz
— Professor (uncredited)
Asja Łamtiugina
— Committee Member (uncredited)
Zdzisław Maklakiewicz
— Bukowski (uncredited)
Kazimierz Ostrowicz
— Board Chairman (uncredited)