S1·E4 – Episode 4

Valery Nikolaev

Victor Bystroletov

Maria Kivva

ita Novoselova / Excellent student

Yuriy Solomin

Rokotov

Vasiliy Mishchenko

Kaznacheev

Pavel Derevyanko

Lenya Marshansky / Graduate student

Vladimir Turchinsky

Ivan Kovchugin

Dmitriy Dyuzhev

Nikolay Kovchugin

Lev Prygunov

Posokhov

Sergey Nikonenko

Boris Kazemirovich Marshansky

Igor Livanov

Stroev