Cast of Chernobyl

Jared Harris portrays Valery Legasov, a prominent Soviet nuclear physicist and the main protagonist of the series. Legasov is appointed to lead the investigation into the Chernobyl disaster and becomes instrumental in understanding the severity of the situation.

Stellan Skarsgård plays the character of Boris Shcherbina, a high-ranking Soviet government official. Shcherbina is assigned to oversee the handling of the Chernobyl crisis and is initially skeptical about the severity of the disaster.

Emily Watson portrays Ulana Khomyuk, a nuclear physicist from Belarus. Khomyuk investigates the causes behind the Chernobyl disaster and tirelessly works to uncover the truth and expose those responsible.

Paul Ritter plays the character of Anatoly Dyatlov, the deputy chief engineer of the Chernobyl nuclear power plant. Dyatlov's misguided decisions and ignorance contribute to the disaster, and he becomes a central figure in the investigation.

Jessie Buckley portrays Lyudmilla Ignatenko, the wife of firefighter Vasily Ignatenko. Lyudmilla witnesses the immediate aftermath of the Chernobyl explosion and endures the tragic consequences of the radiation exposure.

Adam Nagaitis plays the character of Vasily Ignatenko, a firefighter who responds to the initial fire at the Chernobyl nuclear power plant. Ignatenko experiences severe radiation exposure and suffers the devastating effects of the disaster.

Sam Troughton portrays Alexandr Akimov, the shift supervisor on duty at the time of the explosion. Akimov grapples with the immediate aftermath of the disaster and the subsequent attempts to mitigate its effects.

Robert Emms plays the character of Leonid Toptunov, a young and inexperienced operator at the Chernobyl nuclear power plant. Toptunov's actions prior to the explosion contribute to the disaster and its catastrophic consequences.