In 1919, during the post-revolution Russian Civil War, a naval detachment (made up of communist Reds) defends the strategic city of Petrograd from the White Russian counterrevolutionary forces

Vasiliy Zaychikov
as Commissar Vasili Martinov

Oleg Zhakov
as Regiment Commander Draudin

Georgi Bushuyev
as Artyom Balashov

Raisa Yesipova
as Yekaterina Tiyman

Nikolay Ivakin
as A Red Army Soldier

Pyotr Kirillov
as Seaman Valentin Bezprozvanny

Mikhail Gurinenko
as Misha, the cabin boy

Fyodor Seleznyov
as A White Army Soldier

Pyotr Sobolevsky
as A Lieutenant

Vadym Husiev
as Yunga