Micurin

Vladimir Solov'ev

Mikhail Ivanovich Kalinin

Grigorij Belov

Ivan Vladimirovich Michurin

Nikolaj Samin

Terentiy

Fedor Grigor'ev

Kartashov

Mihail Zarov

Khrenov

Konstantin Nassonov

father Khristofor

Aleksej Zil'cov

Bykov

Ivan Nazarov

postman

Viktor Hohrakov

Ryabov

Dmitrij Dubov

Sinitsyn

Gennadij Pecnikov

Lesnitskiy

Vaceslav Isaev

Mayer

Sergej Cenin

Wallace Beard

Urij Lubimov

translator

Ivan Kasirin

peasant

Sergei Bondartschuk

selectionist (uncredited)

Aleksandr Smirnov

selectionist (uncredited)

Viktor Klucarev

professor Kigunov (uncredited)

Pavel Gajdeburov

Pashkevich (uncredited)

Evgenia Hovanskaa

Pashkevch's wife (uncredited)

Alexej Konsowski

Pashkevich's guest (uncredited)

Klara Lucko

Pashkevich's guest (uncredited)

Anatolij Larionov

Michurin in his youth (uncredited)

Evgenij Gurov

Bykov's guest (uncredited)

Petr Savin

member of the revkom (uncredited)

Nikolaj Hrasikov

member of the revkom (uncredited)

Anatolij Zukov

Shurusha (uncredited)

Sergej Antimonov

official (uncredited)

Mihail Grodskij

professor (uncredited)

Viktor Matisen

professor (uncredited)

Aleksandr Pelevin

first scientist (uncredited)

Nikolaj Neronov

second scientist (uncredited)

Leonid Knazev

worker (uncredited)

Pavel Vinnik

Kartashov's student (uncredited)

Svetlana Bogolubova

Natasha (uncredited)

Anatolij Solov'ev

student (uncredited)

Aleksej Bahar'

division commander (uncredited)

Nikolaj Lebedev

professor (uncredited)

Andrej Petrov

Meshkov (uncredited)

Vsevolod Semenov

secretary (uncredited)

Valerian Kazanskij

guest (uncredited)

Natal'a Sadovskaa

Alexandra Michurina in young age (uncredited)

Aleksandra Vasil'eva

Aleksandra Vasilyevna Michurina

Boris Svoboda

Head of department (uncredited)

Aleksandr Nezhdanov

Marfin