Jared HarrisValery Legasov Stellan SkarsgårdBoris Shcherbina Emily WatsonUlana Khomyuk Paul RitterAnatoly Dyatlov Jessie BuckleyLyudmilla Ignatenko Adam NagaitisVasily Ignatenko Sam TroughtonAlexandr Akimov Robert EmmsLeonid Toptunov Con O'NeillViktor Bryukhanov Adrian RawlinsNikolai Fomin Alan WilliamsKGB Chairman Charkov David DencikMikhail Gorbachev Mark Lewis JonesGeneral Pikalov Ralph InesonGeneral Tarakanov Michael McElhattonProsecutor Andrei Stepashin Karl DaviesViktor Proskuryakov Nadia CliffordDr. Svetlana Zinchenko Ron CookOld Maternity Doctor Oscar Dyekjær GieseBaranov Baltasar Breki SamperAnanenko Povilas JatkevičiusKibenok Darius PetkevičiusLocal Husband Amanda DrewKremlin Aide Female Douggie McMeekinYuvchenko Cait DavisLocal Wife at Bar Michael ShaefferBlond Man Billy PostlethwaiteBoris Stolyarchuk Ross ArmstrongNikolai Gorbachenko Paulius MarkevičiusAleksandr Kudryavstev Karolis KasperavičiusViktor Degtaryenko Matas DirginčiusVladimir Tishchura Caolan ByrneDay Shift Worker Stephen BislandNight Shift Worker Rosie SheehyNurse Pripyat Tomas ŽaibusSoldier (Hospital) Peter GuinnessMajor Burov Laurence SpellmanCommission Heli Pilot Alison PargeterBCP HQ Aide Female Sakalas UždavinysIlya Ivanovich Chulkov Aidas JurgaitisSoldier (Shelter) Aiste S. GramBartender in Polyissa Hotel Lucy RussellMarina Gruzinskaya Diarmaid MurtaghZukauskas Natasha RadskiRussian News Reader Arnas DanusasSoldier (Miner's Bus) Michael ColganMikhail Shadov June WatsonOld Woman Babushka Sergejus IvanovasSurvey Soldier Velta ŽygurėElderly Librarian Paulius CizinauskasKGB Agent Library Mark BagnallJughashvili (Robot Operator) Ian PirieSite Officer Masha Lukas MalinauskasBiorobot Soldier Marius Karolis GotbergasBiorobot Soldier Simonas DovidauskasKGB Driver Hilton McRaeJudge Milan Kadnikov Kieran O'BrienKhodemchuck Šarūnas DatenisSoldier (Reactor Site) Deividas BreivėSoldier (Mobile Office) Johan RenckDirector / Co-Executive Producer Craig MazinWriter / Executive Producer Jacqueline LeskoCo-Producer Carolyn StraussExecutive Producer Yevheniia YatsutaCo-Producer Jane FeatherstoneExecutive Producer Ainis JankauskasArt Direction Luke HullProduction Design Lina GecieneAssistant Set Decoration Paulius DasciorasArt Direction Max KlaentschiArt Direction Claire Levinson-GendlerSet Decoration Felicity HickmanSet Decoration Buyer J-P PassiSecond Unit Director Of Photography Jakob IhreDirector Of Photography Bozena MaisejenkoMakeup Supervisor Daniel ParkerProsthetic Designer Giedre MatulevicieneSeamstress Kati HoodProsthetic Makeup Artist Lucy SibbickProsthetic Makeup Artist Greta VitkauskaiteCostume Assistant Jovana JovanavicMakeup & Hair Anna MunroCostume Supervisor Victoria MoneyProsthetic Makeup Artist Odile Dicks-MireauxCostume Design Julio ParodiHair Supervisor Rūta MiglinaitėMakeup & Hair Gerda KajenieneWardrobe Supervisor Ula PakalniskyteMakeup Supervisor Emma FaulkesProsthetic Makeup Artist Paul SpateriProsthetic Supervisor Sylvie OngCostume Supervisor Natasha Nikolic-DunlopMakeup Supervisor Marta SkalskaMakeup & Hair Hannah EcclestonProsthetic Makeup Artist Žaneta JasiūnienėMakeup & Hair Martina ByrneProsthetic Makeup Artist Dalia VizgirdaiteCostume Assistant Greta ButrimaviciuteCostume Assistant Natalija SamonenkoSeamstress Holly McLeanAssistant Costume Designer Lucy PittardProsthetic Makeup Artist Chloe Muton-PhilipsProsthetic Makeup Artist Natalie MitchellMakeup & Hair Jurga KleizaitèCostume Assistant Rūta PadvelskytėMakeup Trainee Giedre GirdauskaiteCostume Assistant Vėjūnė TamuliūnaitėCostume Assistant Daiva PetrulytėAssistant Costume Designer Barrie GowerProsthetic Supervisor Duncan JarmanProsthetics Sculptor Chris LyonsSpecial Effects Makeup Artist Francesc Prat DutenSecond Unit First Assistant Director Brett ThomasSecond Assistant Director David MeantiFirst Assistant Director Måns MånssonSecond Unit Director Chris RoufsScript Supervisor Evelina VerčinskajaSecond Second Assistant Director Tautvydas SavukaitisSecond Second Assistant Director Lukas KudapcenkaThird Assistant Director Charlotte LaingDigital Intermediate Producer Craig FerreiraFirst Assistant Editor Jean-Clement SoretColorist Louise StevensonDigital Intermediate Producer Vincent PiponnierSound Recordist Hildur GuðnadóttirOriginal Music Composer Stefan HenrixSupervising Sound Editor Evyen KleanMusic Supervisor Harry BarnesAdr Supervisor Michael MaroussasDialogue Editor Stuart HillikerSound Re-Recording Mixer Nicolas FejozBoom Operator Philip ClementsFoley Mixer Donatas BakanasUnit Manager Magali GibertHead Of Production Egle ZajankauskaiteProduction Assistant Rita StruzieneProduction Accountant Dalia DaugilytėCasting Assistant Kristina ValvolieneAssistant Accountant Aivaras SidlaSecond Unit Location Manager Karolis KasikauskasKey Set Production Assistant Arnas RingaitisProduction Manager Polly JefferiesProduction Coordinator Julius KarvelisAssistant Location Manager Aiste BorjasTravel Coordinator Renata DobrikieneAssistant Accountant Andrius ZvaliauskasAssistant Unit Manager Birute Masaityte-JudickieneAssistant Production Coordinator Martin WareCasting Associate Vita SurvilaiteCasting Assistant Cheyenne ConwayProduction Manager Karen WalkerSecond Assistant Accountant Unė LiandzbergytėAssistant Production Coordinator Justinas BreimelisAssistant Unit Manager Aukse VeitaiteProduction Secretary Amy SharmanProduction Secretary Jackie GilbeyAssistant Accountant Sarah StiffAssistant Accountant Aurelijus SilkinisAssistant Location Manager Goda GajauskaiteAssistant Location Manager Chris FryCo-Executive Producer Nicola MorrowProduction Manager Mantautas KvedarasProduction Manager Darius BaltusisAssistant Location Manager Dalia SurvilaitėLocal Casting Ieva SvitojuteProduction Coordinator Linas AstramskasAssistant Location Manager Clare CheethamVisual Effects Producer Pete BaxterVisual Effects Compositor Colin TunnicliffeAnimation Vasco CerqueiraVisual Effects Compositor Daniel ChurchillVisual Effects Compositor Robyn WoolleyVisual Effects Production Assistant Nessa Zhang Mingfang3d Artist Eleanor RogersVisual Effects Compositor Max DennisonVisual Effects Supervisor Fay HancocksVisual Effects Production Manager Terry TsangRoto Supervisor Claudius RauchSpecial Effects Supervisor Jay MurrayVisual Effects Compositor Howard TruongVisual Effects Production Assistant Beth HartVisual Effects Production Assistant Patrick DeanVisual Effects Production Assistant Ting Yu SylvesterVisual Effects Compositor Lindsay McFarlaneVisual Effects Producer Emily GreeleyVisual Effects Compositor George ButlerVisual Effects Production Assistant Alicia AguileraVisual Effects Compositor Pasquale RiefoilVfx Artist Paul JonesVisual Effects Producer George CresseyVisual Effects Compositor Elena TopouzoglouVisual Effects Compositor Colin EadeVisual Effects Compositor Philipp KratzerVfx Artist Connor KittoMatchmove Supervisor Guled AhmedVisual Effects Compositor Alice LocuratoloVisual Effects Compositor Paulo DarcoVisual Effects Compositor Steven Godfrey3d Supervisor Tom PeggVisual Effects Compositor Stafford LawrenceAnimation Supervisor Andrew Robertson3d Artist Elisenda Faustino3d Artist Jack PhillipsRoto Supervisor Christian WaiteVisual Effects Supervisor Rebecca JohnsonVfx Production Coordinator Michael WilesVfx Production Coordinator Huw WhiddonRoto Supervisor George KyparissousVisual Effects Supervisor Ronan CarrVisual Effects Compositor Luciano LopesVisual Effects Compositor Aleksandra CzenczekVisual Effects Compositor Ian CopelandVisual Effects Compositor