Cast 15

1. Fedor Alexandrovich

   Himself

2. Andrei Alexandrovich

   Fedor's Father

3. Igor Alexandrovich

   Fedor's Son

4. Natalia Baranovskaya

   Chernobyl Historian

5. Andrei Bilyk

   Chernobyl Chief Engineer

6. Fedor Chebanenko

   Duga Data Commander

7. Charlie D'Agata

   Himself - CBS News Foreign Correspondent (archive footage)

8. Anatoly Duatlov

   Chernobyl Engineer

9. Fedor Dubrovka

   Radar Professor

10. 

    Mikhail Gorbachev

    Former President Russia (archive footage)

11. Viktor Yanukovich

    Former President Ukraine (archive footage)

12. Georgiy Kopchinski

    Last Soviet Head of Atomic Energy

13. Vladimir Komarov

    Head of Chernobyl Investigation Committee

14. Vitali Klytsjko

    Mayor of Kiev

15. Boris Gorbachev

Crew 8