Three naval cadets accidentally get possession of a secret diary that was stolen from Bestuzhev, a vice-chancellor of Russia. If this diary ever gets abroad, the consequences for the country would be grave. The cadets are trying to return the papers to their owner, but there are others who want to get the papers...
| Actor | Role |
|---|---|
 Sergey ZhigunovAleksandr Belov | Aleksandr Belov |
 Dmitriy KharatyanAleksey Korsak | Aleksey Korsak |
 Vladimir ShevelkovNikita Olenev | Nikita Olenev |
 Tatyana LyutaevaAnastasiya Yaguzhinskaya | Anastasiya Yaguzhinskaya |
 Mikhail Boyarskiyshevalye De Brilyi | shevalye De Brilyi |
 Evgeniy EvstigneevAleksey Petrovich Bestuzhev | Aleksey Petrovich Bestuzhev |
 Vladislav StrzhelchikLestok | Lestok |
 Olga MashnayaSofya Zotova | Sofya Zotova |
 Innokentiy Smoktunovskiykardinal Fleri | kardinal Fleri |
 Viktor PavlovKotov | Kotov |
 Elena Tsyplakovaimperatritsa Elizaveta | imperatritsa Elizaveta |
 Vladimir BalonZhak | Zhak |
 Aleksandr PashutinYakovlev | Yakovlev |
 Vladimir Steklovsledovatel Gusev | sledovatel Gusev |
 Tatyana GavrilovaAgafya | Agafya |