Maciej Damięcki
— Jurek Nowicki
Bolesław Płotnicki
— Reformatory Director
Renata Kossobudzka
— Jurek's Mother
Jolanta Wołłejko
— Anka
Jerzy Przybylski
— "Gangster"
Jacek Domański
— Felek
Paweł Galia
— Kostek
Mirosław Gruszczyński
— Mirek
Tadeusz Madeja
— Staszek Magiera
Lech Grzmociński
— Shipyard Worker
Tadeusz Gwiazdowski
— Shipyard Foreman
Zbigniew Jabłoński
— Train Passenger
Aleksander Kornel
— Łapiduch
Jan Paweł Kruk
— Zenon Kapuściak
Józef Łodyński
— Militiaman on a Train
Grzegorz Minkiewicz
Leopold Skwierczyński
Feliks Szajnert
— Reformatory Delinquent
Kazimierz Talarczyk
— Shipyard Worker
Tadeusz Wisniewski
— Łapiduch
Leon Załuga
— Shipyard Worker
Henryk Bista
— Counsellor
Andrzej Błaszczyk
— Reformatory Delinquent (uncredited)
Zofia Bodakowska
— Girl with Tea (uncredited)
Tadeusz Borowski
— Fight Participant (uncredited)
Piotr Brzeziński
— (uncredited)
Jerzy Dąbkowski
— (uncredited)
Andrzej Fogiel
— (uncredited)
Irena Hajdel
— (uncredited)
Zdzisław Jóźwiak
— (uncredited)