Fedor Alexandrovich

Himself

Andrei Alexandrovich

Fedor's Father

Igor Alexandrovich

Fedor's Son

Natalia Baranovskaya

Chernobyl Historian

Andrei Bilyk

Chernobyl Chief Engineer

Fedor Chebanenko

Duga Data Commander

Charlie D'Agata

Himself - CBS News Foreign Correspondent (archive footage)

Anatoly Duatlov

Chernobyl Engineer

Fedor Dubrovka

Radar Professor

Mikhail Gorbachev

Former President Russia (archive footage)

Viktor Yanukovich

Former President Ukraine (archive footage)

Georgiy Kopchinski

Last Soviet Head of Atomic Energy

Vladimir Komarov

Head of Chernobyl Investigation Committee

Vitali Klytsjko

Mayor of Kiev

Boris Gorbachev