Cast
Viktor Dobrovolsky
Makar Nechay
Anton Dunaiskyi
Panas Timofeyich
Vasiliy Zaychikov
Aleksey Adamov
Nina Alisova
Natalya Stakhova, Adamov's aspirant
Ivan Sadovskyi
Professor Ivan Golovin
Garen Zhukovskaya
American lady (uncredited)
Volodymyr Lisovskyi
Trofim (uncredited)
Valentyna Ivashova
Galya
Aleksey Maksimov
Ilya Vladimirov, graduate student