Yuri Yurovsky

Zhukovskiy

Ilya Sudakov

Mendeleev

Vladimir Belokurov

Chaplygin

Vladimir Druzhnikov

Nesterov

Sofiya Giatsintova

Anna Nikolaevna

Galina Frolova

Zhukovskiy's sister

Oleg Frelikh

Professor at the University

Aleksandr Khokhlov

Professor at the University

Vladimir Gribkov

Professor at the University

Boris Bityukov

Nezhdanovskiy

Anatoli Chemodurov

Rybakov

Mikhail Nazvanov

Ryabushinskiy

Georgiy Yumatov

Kasyanov

Andrey Puntus

Zhukovskiy's student

Vsevolod Aksyonov

Grand prince

Rostislav Plyatt

Reporter

Gleb Romanov

Neklyudov

Vsevolod Sanayev

Vladimir Uralskiy

Officer

Aleksandr Mikhaylov

Nikolay Yakhontov

Lieutenant (uncredited)