With untold millions at risk after the Chernobyl explosion, nuclear physicist Ulana Khomyuk makes a desperate attempt to reach Valery Legasov, a leading Soviet nuclear physicist, and warn him about the threat of second explosion that could devastate the continent.

Main Cast

Jared Harris (Valery Legasov)
Stellan Skarsgård (Boris Shcherbina)
Emily Watson (Ulana Khomyuk)
Paul Ritter (Anatoly Dyatlov)
Jessie Buckley (Lyudmilla Ignatenko)
Adam Nagaitis (Vasily Ignatenko)
Sam Troughton (Alexandr Akimov)
Robert Emms (Leonid Toptunov)
Con O'Neill (Viktor Bryukhanov)
Adrian Rawlins (Nikolai Fomin)
Alan Williams (KGB Chairman Charkov)
David Dencik (Mikhail Gorbachev)
Mark Lewis Jones (General Pikalov)
Ralph Ineson (General Tarakanov)
Barry Keoghan (Pavel)
Alex Ferns (Glukhov)
Fares Fares (Bacho)
Michael McElhatton (Prosecutor Andrei Stepashin)

Guest Stars

Laura Elphinstone (Oksana)
Nadia Clifford (Dr. Svetlana Zinchenko)
Matthew Needham (Dmitri)
Rosie Sheehy (Nurse Pripyat)
Tomas Žaibus (Soldier (Hospital))
Ron Cook (Old Maternity Doctor)
Peter Guinness (Major Burov)
Laurence Spellman (Commission Heli Pilot)
Alison Pargeter (BCP HQ Aide Female)
Victor McGuire (Garanin)
Sakalas Uždavinys (Ilya Ivanovich Chulkov)
Aidas Jurgaitis (Soldier (Shelter))
Aiste S. Gram (Bartender in Polyissa Hotel)
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)
Philip Barantini (Bezpalov)
Oscar Dyekjær Giese (Baranov)
Baltasar Breki Samper (Ananenko)
Darius Petkevičius (Local Husband)
Amanda Drew (Kremlin Aide Female)
Michael Socha (Mikhail)
Cait Davis (Local Wife at Bar)
Karl Davies (Viktor Proskuryakov)
Jan Ričica (Oksana's Kid)

Chernobyl

S1E2 — Please Remain Calm

Overview

Main Cast

Guest Stars

Crew

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