Tensions rise between a crew of a submarine when an accident causes it to settle at the bottom of the sea.
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
