Tadeusz Schmidt

Captain Adam Hulewicz

Marian Kociniak

Lieutenant Mackiewicz

Andrzej Kozak

Lieutenant Piotr Kwiatkowski

Józef Nowak

Captain Zapała

Zdzisław Maklakiewicz

Doctor Bryl

Stanisław Michalski

Navigator Prajs

Ryszard Pietruski

Krawczyk

Andrzej Szalawski

Commander Pawlikowski

Irena Karel

Kwiatkowski's Wife

Teresa Szmigielówna

Hulewicz's Wife

Henryk Bista

Mate Józek

Zbigniew Bogdański

Sailor

Jerzy Dąbkowski

Zbigniew Grochal

Sailor

Lech Grzmociński

Officer

Tadeusz Gwiazdowski

Officer at Ball

A. Lutowski

Krzysztof Kalczyński

Fronczak

Leszek Kowalski

Iga Mayr

Krysia

Marian Opania

Wątorek

Jan Sieradziński

Edward Sosna

Officer in Port

Andrzej Zaorski

Martula

Witold Pyrkosz

Officer (voice) (uncredited)