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