A West German concern is conducting secret negotiations with an interested state on the production of an atomic bomb. The son of the head of the concern, realizing the enormity and scope of his father's activities, interrupts the negotiations and returns home with the intention of publicizing his father's activities.
Vsevolod Safonov
Donatas Banionis
Pavel Pankov
Nikolai Gritsenko
Igor Ledogorov
Juozas Budraitis
Eve Kivi
Einari Koppel
Evgeniy Evstigneev
Boris Ivanov
Aleksandr Vokach
Suimenkul Chokmorov
Reiko Suita
Tamara Degtyaryova
Igor Kashintsev
Yekaterina Vasilyeva
Raisa Kurkina
Yevgeniya Khanayeva
Aleksandr Kalyagin
Oleg Basilashvili
Viktor Shulgin
Lev Polyakov
Oleg Golubitsky
Chun Seb Pak
Mikhail Pogorzhelsky
Grigoriy Lyampe
Vasiliy Livanov
Andrey Poroshin
Gerd Staiger
Igor Maksimchuk
Valentin Kulik
Aleksandr Mikulin