We don't have a biography for Сергей, конструктор, подчинённый Олега yet. Hang in there, or go ahead and contribute one.
Не могу забыть тебя Guest cast, played by Станислав Щёкин Episode 1x03: Серия 3 (May 21, 2017) Episode 1x04: Серия 4 (May 21, 2017)