Pemeran & Kru
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Jared HarrisValery Legasov - Stellan SkarsgårdBoris Shcherbina
- Emily WatsonUlana Khomyuk
- Paul RitterAnatoly Dyatlov
- Jessie BuckleyLyudmilla Ignatenko
- Adrian RawlinsNikolai Fomin
- Con O'NeillViktor Bryukhanov
- Sam TroughtonAkimov
- Ralph InesonGeneral Tarakanov
- Mark Lewis JonesGeneral Pikalov
- David DencikGorbachev
- Johan RenckSutradara
- Jane FeatherstoneProduser Eksekutif
- Carolyn StraussProduser Eksekutif
- Sanne WohlenbergProduser
- Craig MazinPenulis
- Craig MazinPembuat