Тайна двух океанов

Vorontsov

Skvoreshnya

Kartsev

Ivashev

Gorelov, inzhener-mekhanik

Druzhinin, assistant commander

Arsen Davidovich Lordkipanidze, professor, ichthyologist

Andrey Nikolaevich, professor, oceanologist

Olga Ivanovna Bystrykh, doctor of the Pioneer submarine

Ivan Nikolayevich Bystrykh, father of Olga Bystrykh

Vasily Ivanovich Bazov, Colonel of State Security

Kartsev, senior lieutenant of state security

Sidorina, administrator of the Intourist hotel in Riga

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