1:23:45

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

Laura Elphinstone

Oksana

Nadia Clifford

Dr. Svetlana Zinchenko

Sam Strike

Misha

Sammy Hayman

Titenok

Matas Dirgincius

Vladimir Tishchura

Caolan Byrne

Day Shift Worker

Stephen Bisland

Night Shift Worker

Alex Blake

Petrovich

Ron Cook

Old Maternity Doctor

Donald Sumpter

Zharkov

Gerard Kearns

Pravik

Povilas Jatkevičius

Kibenok

Michael Socha

Mikhail

Jamie Sives

Sitnikov

Douggie McMeekin

Yuvchenko

Michael Shaeffer

Blond Man

Karl Davies

Viktor Proskuryakov

Adam Lundgren

Brazhnik

Billy Postlethwaite

Boris Stolyarchuk

Jay Simpson

Perevozchenko

Ross Armstrong

Nikolai Gorbachenko

Paulius Markevičius

Aleksandr Kudryavstev

Joshua Leese

Kirschenbaum

Karolis Kasperavičius

Viktor Degtaryenko

Jan Ricica

Oksana's Kid