We don't have a biography for Сергей Яковлевич, подопечный Анны yet. Hang in there, or go ahead and contribute one.
Холодное сердце Main cast, played by Сергей Греков Episode 1x01: Серия 1 (Dec 24, 2016) Episode 1x02: Серия 2 (Dec 24, 2016)