Kurchatov
Sergey Bondarchuk
Oppenheimer
Sergei Yursky
Oleg Basilashvili
Adolf Hitler / Otto Hahn
Fritz Diez
Nikolay Zasukhin
Vladimir Novikov
Stalin
Yakov Tripolsky
Roosevelt
Innokentiy Smoktunovskiy
Georgi Zhzhyonov
Nikolai Volkov St.
Irina Skobtseva
Nikolay Burlyaev
Alla Pokrovskaya
Mikhail Ulyanov
Alla Demidova
Camera Operator
Naum Ardashnikov
Director
Igor Talankin
Writer
Daniil Granin
Novel