Directed by Johan Renck Written by Craig Mazin   Cast Emily Watson ... Ulana Khomyuk Matthew Needham ... Dmitri Nadia Clifford ... Dr. Svetlana Zinchenko Rosie Sheehy ... Nurse Pripyat Sam Troughton ... Alexandr Akimov Robert Emms ... Leonid Toptunov Karl Davies ... Viktor Proskuryakov Ron Cook ... Old Maternity Doctor Adam Nagaitis ... Vasily Ignatenko Jessie Buckley ... Lyudmilla Ignatenko Tomas Zaibus ... Soldier (Hospital) Jared Harris ... Valery Legasov Amanda Drew ... Kremlin Aide Female Stellan Skarsgård ... Boris Shcherbina David Dencik ... Mikhail Gorbachev Alan Williams ... KGB Chairman Charkov Michael Socha ... Mikhail Laura Elphinstone ... Oksana Jan Ricica ... Oksana's Kid Peter Guinness ... Major Burov Laurence Spellman ... Commission Heli Pilot Alison Pargeter ... BCP HQ Aide Female Victor McGuire ... Garanin Sakalas Uzdavinys ... Ilya Ivanovich Chulkov Adrian Rawlins ... Nikolai Fomin Con O'Neill ... Viktor Bryukhanov Mark Lewis Jones ... General Pikalov Aidas Jurgaitis ... Soldier (Shelter) Aiste S. Gram ... Bartender in Polyssia Hotel (as Aistè Gramantaitè) Cait Davis ... Local Wife at Bar Darius Petkevicius ... Local Husband Daniel Crossley ... Stasiuk Lucy Russell ... Marina Gruzinskaya Donald Sumpter ... Zharkov Diarmaid Murtagh ... Zukauskas Natasha Radski ... Russian News Reader Yitzchak Averbuch ... General Joe Tucker ... Plant Employee Baltasar Breki Samper ... Ananenko Philip Barantini ... Bezpalov Oscar Dyekjær Giese ... Baranov (as Oscar Giese) Uncredited Cast Kadrolsha Ona Carole ... Civilian in a Hospital Bartas Erminas ... Civilian in a Hospital Peter Jennings ... Self (archive footage) Produced by Jane Featherstone   Chris Fry   Robert How   Jacqueline Lesko   Craig Mazin   Anne Mensah   Lina Miseikyte   Johan Renck   Gabriel Silver   Darko Skulsky   Tanya Sokolova   Carolyn Strauss   Gary Tuck   Sanne Wohlenberg   Jane Yatsuta   Original Music by Hildur Guðnadóttir

Additional Info Premiere: May 13, 2019 DVD Release: October 01, 2019 Blu-ray Release: October 01, 2019 Countries: Distributor: HBO Studios Websites: Production Companies Home Box Office (HBO) Sister Pictures (produced by) Sky Television The Mighty Mint (produced by) Word Games (produced by) Distributors Home Box Office (HBO)   (2019) (USA) (TV) HBO Max   (2020) (USA) (video) (VOD) Rating Stats Overall Rating -- / 10 Our Rating -- / 10 Your Friends -- / 10 Male Users -- / 10 Female Users -- / 10 Site Ranking #126 / 20,725 Site Ranking