Mikhail Gorbachev
(Self - Premier, Soviet Union),
Dan Korn
(Self - Narrator (UK)),
David Morrissey
(Self - Narrator),
Piers Paul Read
(Self - Author, 'Ablaze'),
Piers Paul Read
(Self - Author, 'Ablaze'),
Dan Korn
(Narrator (UK)),
Igor Slavinskiy
(Anatoli Diatlov),
Boris Stolyarchuk
(Self - Control Room Survivor),
Alexander Yuvchenko
(Self - Chernobyl Survivor),
Nikolai Steinberg
(Self - Senior Nuclear Physicist),
Anatoly Dyatlov
(Self - Control Room Victim),
Aleksander Khoroshko
(Alexander Akimov),
Volodya Stepanenko
(Leonid Toptunov),
Aleksander Klimbutski
(Boris Stolyarchuk),
Wolodymyr Holosnyak
(Valeri Perevozchenko),
Vladimir Mamchur
(Alexander 'Sasha' Yuvchenko),
Vladimir Mamchur
(Alexander 'Sasha' Yuvchenko),
Irina Pavliuk
(Natasha Yuvchenko),
Nikita Chavinin
(Kirill Yuvchenko),
Vladimir Melnik
(Valeri Khodemechuk),
Sergei Yankovsky
(Self - Senior Investigator, Chernobyl Disaster)