Cast 80
Jared Harris
Valery Legasov 5 episodes
Stellan Skarsgård
Boris Shcherbina 5 episodes
Emily Watson
Ulana Khomyuk 5 episodes
Paul Ritter
Anatoly Dyatlov 5 episodes
Jessie Buckley
Lyudmilla Ignatenko 5 episodes
Adam Nagaitis
Vasily Ignatenko 5 episodes
Sam Troughton
Alexandr Akimov 5 episodes
Robert Emms
Leonid Toptunov 5 episodes
Con O'Neill
Viktor Bryukhanov 5 episodes
Adrian Rawlins
Nikolai Fomin 5 episodes
Alan Williams
KGB Chairman Charkov 5 episodes
David Dencik
Mikhail Gorbachev 5 episodes
Mark Lewis Jones
General Pikalov 5 episodes
Ralph Ineson
General Tarakanov 5 episodes
Barry Keoghan
Pavel 5 episodes
Alex Ferns
Glukhov 5 episodes
Fares Fares
Bacho 5 episodes
Michael McElhatton
Prosecutor Andrei Stepashin 5 episodes
Laura Elphinstone
Oksana 3 episodes
Nadia Clifford
Dr. Svetlana Zinchenko 2 episodes
Sam Strike
Misha 1 episodes
Sammy Hayman
Titenok 1 episodes
Matas Dirginčius
Vladimir Tishchura 1 episodes
Caolan Byrne
Day Shift Worker 1 episodes
Stephen Bisland
Night Shift Worker 1 episodes
Alex Blake
Petrovich 1 episodes
Matthew Needham
Dmitri 1 episodes
Rosie Sheehy
Nurse Pripyat 1 episodes
Tomas Žaibus
Soldier (Hospital) 1 episodes
Ron Cook
Old Maternity Doctor 2 episodes
Peter Guinness
Major Burov 1 episodes
Laurence Spellman
Commission Heli Pilot 1 episodes
Alison Pargeter
BCP HQ Aide Female 1 episodes
Victor McGuire
Garanin 1 episodes
Sakalas Uždavinys
Ilya Ivanovich Chulkov 1 episodes
Aidas Jurgaitis
Soldier (Shelter) 1 episodes
Aiste S. Gram
Bartender in Polyissa Hotel 1 episodes
Daniel Crossley
Stasiuk 1 episodes
Lucy Russell
Marina Gruzinskaya 1 episodes
Donald Sumpter
Zharkov 2 episodes
Diarmaid Murtagh
Zukauskas 1 episodes
Natasha Radski
Russian News Reader 1 episodes
Yitzchak Averbuch
General 1 episodes
Joe Tucker
Plant Employee 1 episodes
Caoilfhionn Dunne
Yenina 1 episodes
Philip Barantini
Bezpalov 2 episodes
Oscar Dyekjær Giese
Baranov 2 episodes
Baltasar Breki Samper
Ananenko 2 episodes
Pandora Colin
Dr. Vetrova 1 episodes
Gerard Kearns
Pravik 2 episodes
Povilas Jatkevičius
Kibenok 2 episodes
Rachel Atkins
Niyazova 1 episodes
Darius Petkevičius
Local Husband 2 episodes
James Cosmo
Miner 1 episodes
Arnas Danusas
Soldier (Miner's Bus) 1 episodes
Michael Colgan
Mikhail Shadov 1 episodes
James Kermack
Miner 1 episodes
Karolis Vilkas
Miner 1 episodes
June Watson
Old Woman Babushka 1 episodes
Amanda Drew
Kremlin Aide Female 2 episodes
Josef Altin
Soldier 1 episodes
Sergejus Ivanovas
Survey Soldier 1 episodes
Alexej Manvelov
Garo 1 episodes
Josef Davies
Janek 1 episodes
Velta Žygurė
Elderly Librarian 1 episodes
Paulius Cizinauskas
KGB Agent Library 1 episodes
Michael Socha
Mikhail 3 episodes
Jamie Sives
Sitnikov 2 episodes
Douggie McMeekin
Yuvchenko 2 episodes
Cait Davis
Local Wife at Bar 2 episodes
Michael Shaeffer
Blond Man 2 episodes
Karl Davies
Viktor Proskuryakov 3 episodes
Adam Lundgren
Brazhnik 2 episodes
Billy Postlethwaite
Boris Stolyarchuk 2 episodes
Jay Simpson
Perevozchenko 2 episodes
Ross Armstrong
Nikolai Gorbachenko 2 episodes
Paulius Markevičius
Aleksandr Kudryavstev 2 episodes
Joshua Leese
Kirschenbaum 2 episodes
Karolis Kasperavičius
Viktor Degtaryenko 2 episodes
Jan Ričica
Oksana's Kid 3 episodes