Sergei Krymov, heart surgeon

Maya Olkhina, patient

Oleg Somov, Olga's husband

Steklov

Nikolay Burtsev

Natasha, Krymov's daughter

Yevgeniy Chumakov

Ivan Andreyevich

Ilya Kapitonovich

Lyubov, Burtsev's secretary

Andrey Nikolayevich

Housekeeper

Zotov