The struggle of an honest, innovative plant breeder against bureaucrats.
| Actor | Role |
|---|---|
 Viktor DobrovolskyMakar Nechay | Makar Nechay |
 Valentyna IvashovaGalya | Galya |
 Anton DunaiskyiPanas Timofeyich | Panas Timofeyich |
 Vasiliy ZaychikovAleksey Adamov | Aleksey Adamov |
| FFyodor DubrovskiyAcademician Stepan Olenin | Academician Stepan Olenin |
 Nina AlisovaNatalya Stakhova, Adamov's aspirant | Natalya Stakhova, Adamov's aspirant |
 Aleksey MaksimovIlya Vladimirov, graduate student | Ilya Vladimirov, graduate student |
| GGeorgiy KurovskiyProfessor Ivan Gorskiy | Professor Ivan Gorskiy |
 Ivan SadovskyiProfessor Ivan Golovin | Professor Ivan Golovin |
 Garen ZhukovskayaAmerican lady (uncredited) | American lady (uncredited) |
 Volodymyr LisovskyiTrofim (uncredited) | Trofim (uncredited) |