Cast 20

1. 

   David Morrissey

   Himself - Narrator (voice)

2. 

   Igor Slavinskiy

   Anatoli Diatlov

3. Aleksander Khoroshko

   Alexander Akimov

4. Volodya Stepanenko

   Leonid Toptunov

5. Aleksander Klimbutski

   Boris Stolyarchuk

6. 

   Volodymyr Holosniak

   Valeri Perevozchenko

7. Vladimir Mamchur

   Alexander 'Sasha' Yuvchenko

8. Irina Pavliuk

   Natasha Yuvchenko

9. Nikita Chavinin

   Kirill Yuvchenko

10. Vladimir Melnyk

    Valeri Khodemechuk

11. Vladimir Velianik

    Yuri Tregub

12. 

    Denys Hranchak

    Sasha Agulov

13. Vladimir Ilenko

    Nicolai Fornin

14. Nikolai Steinberg

    Himself - Nuclear Physicist

15. Boris Stolyarchuk

    Himself - Chernobyl Survivor

16. Alexander Yuvchenko

    Himself - Chernobyl Survivor

17. Piers Paul Read

    Himself - Writer

18. Sergei Yankovsky

    Himself - Chernobyl Investigator

19. Anatoli Diatlov

    Himself (archive footage)

20. 

    Mikhail Gorbachev

    Himself (archive footage)

Crew 4