Sergey Bondarchuk

Igor Kurchatov

Georgi Zhzhyonov

Vitaliy Zubavin

Nikolai Volkov St.

Abram Ioffe

Irina Skobtseva

Marina Kurchatova

Nikolay Burlyaev

Fedya

Alla Pokrovskaya

Tanya

Yakov Tripolsky

Stalin

Mikhail Ulyanov

Zhukov

Sergei Yursky

Robert Oppenheimer

Oleg Basilashvili

Boris Pash

Alla Demidova

Jane

Innokentiy Smoktunovskiy

Roosevelt