Antek is an inexperienced seaman favored by his teachers. On his first trip to the sea he learns the hardships of the work and almost causes a tragedy.

Zbigniew Skowroński
Commander Michalski

Ryszard Piekarski
Antoni Bugaj

Bohdan Ejmont
Bronek Kruk

Tadeusz Łomnicki
Józef Wietecha

Leon Łuszczewski
Capt. Kapera

Władysław Walter
Jan
Józef Karbowski
School Director
Stanislaw Brylinski
Jozef's Father

Zenon Burzyński
Paweł Konarek

Michał Gazda
Student
Mieczysław Górkiewicz

Tadeusz Janczar
Brzozowski

Maria Kierzkowa

Stanisław Kwaskowski
Lecturer

Lech Madaliński