The Russian Woodpecker

Himself

Fedor's Father

Fedor's Son

Chernobyl Historian

Chernobyl Chief Engineer

Duga Data Commander

Himself - CBS News Foreign Correspondent (archive footage)

Chernobyl Engineer

Radar Professor

Former President Russia (archive footage)

Former President Ukraine (archive footage)

Last Soviet Head of Atomic Energy

Head of Chernobyl Investigation Committee

Mayor of Kiev

Acting