Main Characters Valery Legasov 5 main appearances Boris Shcherbina 5 main appearances Lyudmilla Ignatenko 5 main appearances Ulana Khomyuk 4 main appearances Anatoly Dyatlov 4 main appearances Alexandr Akimov 4 main appearances Vasily Ignatenko 4 main appearances Leonid Toptunov 4 main appearances Nikolai Fomin 3 main appearances Viktor Bryukhanov 3 main appearances KGB First Deputy Chairman Charkov 3 main appearances General Tarakanov 2 main appearances Colonel General Pikalov 2 main appearances Michail Gorbatchev 2 main appearances Pavel Yefremov 2 main appearances Bacho 1 main appearances Andrei Glukhov 1 main appearances Prosecutor Andrei Stepashin 1 main appearances
Recurring Guest Characters Local Wife at Bar 2 guest appearances Local Husband 2 guest appearances Alexey Ananenko 2 guest appearances Valery Bezpalov 2 guest appearances Boris Baranov 2 guest appearances Misha 1 guest appearances Titenok 1 guest appearances Vladimir Tishchura 1 guest appearances Day Shift Worker 1 guest appearances Night Shift Worker 1 guest appearances Petrovich 1 guest appearances Dmitri 1 guest appearances Nurse Pripyat 1 guest appearances Soldier (Hospital) 1 guest appearances Major Burov 1 guest appearances Commission Heli Pilot 1 guest appearances BCP HQ Aide Female 1 guest appearances BCP Deputy Secretary Garanin 1 guest appearances Ilya Ivanovich Chulkov 1 guest appearances Soldier (Shelter) 1 guest appearances ⇤ « 1 2 3 4 » ⇥