The commander of the cruiser Zarya, nobleman Bersenev, sympathizes with the Bolsheviks, encouraged in part by Artem Godun, chairman of the ship’s committee. His eldest daughter, Tatyana, follows in her father’s footsteps. Her husband, von Staube, is involved in a counter-revolutionary conspiracy.
| Actor | Role |
|---|---|
 Mikhail NarokovCaptain Bersenyov | Captain Bersenyov |
| AA.I. BourkovaMadame Bersenyov | Madame Bersenyov |
| MMaria ZhdanovaTatyana | Tatyana |
| LLidiya KubkovaOksana | Oksana |
| AAnatoliy SmiraninLt. Von Stube | Lt. Von Stube |
| NNikolai GladkovGodun | Godun |
| VVasili BykovShvatch | Shvatch |
 Pavel PoltoratskiyRepresentative for the English command (uncredited) | Representative for the English command (uncredited) |