Jared Harris plays Valery Legasov, Stellan Skarsgård plays Boris Shcherbina, and Emily Watson plays Ulana Khomyuk.
Main cast
- Valery LegasovJared HarrisSeasons 1Main
- Boris ShcherbinaStellan SkarsgårdSeasons 1Main
- Ulana KhomyukEmily WatsonSeasons 1Main
- Lyudmilla IgnatenkoJessie BuckleySeasons 1Main
- Vasily IgnatenkoAdam NagaitisSeasons 1Main
- Anatoly DyatlovPaul RitterSeasons 1Main
Supporting cast
- Viktor BryukhanovCon O’NeillSeasons 1Supp
- Nikolai FominAdrian RawlinsSeasons 1Supp
- Aleksandr AkimovSam TroughtonSeasons 1Supp
- Leonid ToptunovRobert EmmsSeasons 1Supp
- Viktor ProskuryakovKarl DaviesSeasons 1Supp
- Andrei GlukhovAlex FernsSeasons 1Supp
- Nikolai TarakanovRalph InesonSeasons 1Supp
- Pavel GremovBarry KeoghanSeasons 1Supp
- DavidFares FaresSeasons 1Supp
- Andrei StepashinMichael McElhattonSeasons 1Supp
- Mikhail GorbachevDavid DencikSeasons 1Supp
- General Vladimir PikalovMark Lewis JonesSeasons 1Supp
- KGB Chairman CharkovAlan WilliamsSeasons 1Supp
- MikhailMichael SochaSeasons 1Supp
- OksanaLaura ElphinstoneSeasons 1Supp
- Oksana’s KidJan RicicaSeasons 1Supp
- Dr Svetlana ZinchenkoNadia CliffordSeasons 1Supp
- YuvchenkoDouggie McMeekinSeasons 1Supp
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About this cast
Chernobyl is a 2019 HBO/Sky Atlantic miniseries dramatising the 1986 nuclear disaster. The lead cast includes Jared Harris as Valery Legasov, Stellan Skarsgård as Boris Shcherbina, and Emily Watson as Ulana Khomyuk.
Cast FAQs
Who plays Valery Legasov in Chernobyl?
Jared Harris plays Valery Legasov.
Who plays Boris Shcherbina in Chernobyl?
Stellan Skarsgård plays Boris Shcherbina.
Who plays Ulana Khomyuk in Chernobyl?
Emily Watson plays Ulana Khomyuk.
Who plays Lyudmilla Ignatenko in Chernobyl?
Jessie Buckley plays Lyudmilla Ignatenko.
How many cast members are in Chernobyl?
The full cast includes 24 actors.
Sources: IMDb · IMDb · Sky · Sky · Castradar UK · Updated June 2026