Cast
Vladimir Druzhnikov
Nesterov
Galina Frolova
Zhukovskiy's sister
Rostislav Plyatt
Reporter
Vladimir Uralskiy
Officer
Andrey Puntus
Zhukovskiy's student
Gleb Romanov
Neklyudov
Aleksandr Mikhaylov
Nikolay Yakhontov
Lieutenant (uncredited)
Mikhail Nazvanov
Ryabushinskiy
Georgiy Yumatov
Kasyanov
Ilya Sudakov
Mendeleev
Vladimir Belokurov
Chaplygin
Oleg Frelikh
Professor at the University
Vladimir Gribkov
Professor at the University
Boris Bityukov
Nezhdanovskiy
Vsevolod Aksyonov
Grand prince
Sofiya Giatsintova
Anna Nikolaevna
Aleksandr Khokhlov
Professor at the University
Vsevolod Sanayev
Anatoli Chemodurov
Rybakov
Yuri Yurovsky
Zhukovskiy