Sergei Stolyarov

Vorontsov

Igor Vladimirov

Skvoreshnya

Павел Луспекаев

Kartsev

Михаил Глузский

Ivashev

Сергей Голованов

Gorelov, inzhener-mekhanik

Пётр Соболевский

Druzhinin, assistant commander

ვახტანგ ნინუა

Arsen Davidovich Lordkipanidze, professor, ichthyologist

Sergey Komarov

Andrey Nikolaevich, professor, oceanologist

Антонина Максимова

Olga Ivanovna Bystrykh, doctor of the Pioneer submarine

Леонид Пирогов

Ivan Nikolayevich Bystrykh, father of Olga Bystrykh

Troady Dobrotvorsky

Vasily Ivanovich Bazov, Colonel of State Security

Павел Луспекаев

Kartsev, senior lieutenant of state security

Ирина Прейс

Sidorina, administrator of the Intourist hotel in Riga

Igor Bristol

Pavlik, son of the captain of the ship "Arktika"