Vladimir Solovyov
Mikhail Ivanovich Kalinin
Григорий Белов
Ivan Vladimirovich Michurin
Nikolai Shamin
Terentiy
Fyodor Grigoryev
Kartashov
Михаил Жаров
Khrenov
Konstantin Nassonov
father Khristofor
Aleksei Zhiltsov
Bykov
Ivan Nazarov
postman
Виктор Хохряков
Ryabov
Dmitriy Dubov
Sinitsyn
Геннадий Печников
Lesnitskiy
Vyacheslav Isayev
Mayer
Сергей Ценин
Wallace Beard
Yuri Lyubimov
translator
Ivan Kashirin
peasant
Сергей Бондарчук
selectionist (uncredited)
Александр Смирнов
selectionist (uncredited)
Виктор Ключарёв
professor Kigunov (uncredited)
Pavel Gaideburov
Pashkevich (uncredited)
Yevgeniya Khovanskaya
Pashkevch's wife (uncredited)
Алексей Консовский
Pashkevich's guest (uncredited)
Клара Лучко
Pashkevich's guest (uncredited)
Anatoliy Larionov
Michurin in his youth (uncredited)
Natalya Sadovskaya
Michurina in her youth (uncredited)
Евгений Гуров
Bykov's guest (uncredited)
Пётр Савин
member of the revkom (uncredited)
Николай Хрящиков
member of the revkom (uncredited)
Анатолий Жуков
Shurusha (uncredited)
Sergei Antimonov
official (uncredited)
Mikhail Grodskiy
professor (uncredited)
Viktor Matisen
professor (uncredited)
Aleksandr Pelevin
first scientist (uncredited)
Николай Неронов
second scientist (uncredited)
Леонид Князев
worker (uncredited)
Павел Винник
Kartashov's student (uncredited)
Svetlana Bogolyubova
Natasha (uncredited)
Анатолий Соловьёв
student (uncredited)
Алексей Бахарь
division commander (uncredited)
Nikolay Lebedev
professor (uncredited)
Андрей Петров
Meshkov (uncredited)
Vsevolod Semyonov
secretary (uncredited)
Valerian Kazanskiy
guest (uncredited)
Natalia Sadovskaya
Alexandra Michurina in young age (uncredited)
Oleksandra Vasylieva
Aleksandra Vasilyevna Michurina
