A Pole and a German fall in love to the discouragement of their parents.

Tadeusz Białoszczyński
Skipper Kujawa, "Wiślak"

Barbara Wrzesińska
Elza Veit

Bogusz Bilewski
Janek Kujawa

Florian Wolny
Skipper Veit

Zbigniew Skowroński
Skipper Capok
Józef Powojewski
Kurt

Tomasz Zaliwski
Marian

Andrzej Kozak
Leon

Aleksander Aleksy
Sawczuk
Antonina Dunajewska
(uncredited)

Ryszard Filipski
English Sailor (uncredited)

Bolesław Płotnicki
(uncredited)

Henryk Kluba
Waiter (uncredited)

Zdzisław Leśniak
Zdzisio (uncredited)

Andrzej Hrydzewicz