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