Con O'Neill Viktor Bryukhanov
Jessie Buckley Lyudmilla Ignatenko
Stellan Skarsgård Boris Shcherbina
Jared Harris Valery Legasov
Barry Keoghan Pavel
Ralph Ineson General Tarakanov
Emily Watson Ulana Khomyuk
Chloe Muton-Philips Prosthetic Makeup Artist
Nina Gold Casting
David Dencik Mikhail Gorbachev
Michael McElhatton Prosecutor Andrei Stepashin
Adrian Rawlins Nikolai Fomin
Mark Lewis Jones General Pikalov
Adam Nagaitis Vasily Ignatenko
Paul Ritter Anatoly Dyatlov
Fares Fares Bacho
Craig Mazin Screenplay, Executive Producer
Alex Ferns Glukhov
Tobias Henriksson Gaffer
Sam Troughton Alexandr Akimov
Jane Featherstone Executive Producer
Barrie Gower Prosthetic Supervisor
Marc-Jason Maier Digital Imaging Technician
Alan Williams KGB Chairman Charkov
J-P Passi Additional Camera, Second Unit Director of Photography
Robert Emms Leonid Toptunov
Ieva Rojūtė Set Dressing Buyer
Gvido Puke Drone Operator
Robert How Line Producer
Max Klaentschi Art Direction
Daiva Petrulytė Assistant Costume Designer
Phillip J. Braunschober Special Effects Technician
Odile Dicks-Mireaux Costume Design
Brett Thomas Second Assistant Director
Unė Liandzbergytė Assistant Production Coordinator
Gavin Fitch Art Direction
Cheyenne Conway Production Manager
Renuaras Krivelis Construction Manager
Luke Hull Production Design
Tom Pegg Visual Effects Compositor
Martin Ware Casting Associate
Carolyn Strauss Executive Producer
Stuart Hilliker Sound Re-Recording Mixer
Måns Månsson Second Unit Director
Evyen Klean Music Supervisor
Chris Fry Co-Executive Producer
Johan Renck Co-Executive Producer
Arturas But Set Dresser
Martina Byrne Prosthetic Makeup Artist
Hildur Guðnadóttir Original Music Composer
Anna Wright Foley Artist
Jill McCullough Dialect Coach
Karen Wakefield Supervising Art Director
Mark Pascoe 3D Artist
Aleksandr Petrovskij Second Assistant "B" Camera
Elo Soode Concept Artist, Conceptual Design
Robert Sterne Casting
Michael Maroussas Dialogue Editor
Andrius Zubkaitis Leadman
Liam Daniel Still Photographer
Colin Eade Visual Effects Compositor
Rolandas Joneliūkštis First Assistant "B" Camera
Marta Skalska Makeup & Hair
Anita Dhillon Graphic Designer
Andrew Robertson 3D Artist
Laura Ng Standby Art Director
Karen Walker Second Assistant Accountant
Alicia Aguilera Visual Effects Compositor
Dalia Vizgirdaite Costume Assistant
Mac McGeary Health and Safety
Alex Alvarez Animation
James O'Brien Sculptor