- Michał Gazda - Mate Okon
- Józef Łodyński - Mate Baczek
- Tadeusz Gwiazdowski - Bosman Bryt
- Jerzy Nowak - Mate Sznuk
- Czesław Piaskowski - Bosman Serafin
- Marian Nowicki - Polish Attache in Tallin
- Kazimierz Wilamowski - Estonian Admiral
- Stanisław Milski - Höze, Deputy Commandant at Tallin Harbour
- Lech Wojciechowski - Höze's Secretary
- Ryszard Filipski - Estonian Soldier
- Jerzy Kozakiewicz - Estonian Soldier
- Stanisław Bareja - Cook (uncredited)
- Henryk Bista - Seaman (uncredited)
- Henryk Boukołowski - Seaman (uncredited)
- Józef Duriasz - Seaman (uncredited)
- Zygmunt Hübner - German Captain (uncredited)
- Wlodzimierz Kaczmarski - Seaman (uncredited)
- Jerzy Kamas - Seaman (uncredited)
- Eugeniusz Kamiński - Officer (uncredited)
- Janusz Kłosiński - Doctor (uncredited)
- Gustaw Lutkiewicz - British Attache (uncredited)
- Andrzej Mrozek - Seaman (uncredited)
- Jerzy Rutowicz - Estonian Officer (uncredited)
- Kazimierz Talarczyk - Inspecting Officer (uncredited)
- Mieczysław Waśkowski - Seaman (uncredited)
- Roman Wilhelmi - Seaman (uncredited)
- Jan Włodarczyk - Seaman (uncredited)
- Andrzej Wykrętowicz - Inspecting Officer (uncredited)
- Gerard Zalewski - Wireless Operator (uncredited)
- Jerzy Zapiór - Seaman (uncredited)
- Leonard Buczkowski
- Pawel Komorowski
- Leonard Buczkowski
- Jerzy Rutowicz
- Arkadiusz Orlowski
- Józef Bartczak
- Waldemar Kazanecki
Capítulo disponible en las siguientes plataformas:
