Yaroslav Zhalnin

as Yuri Gagarin

Mikhail Filippov

as Sergey Korolev

Vladimir Steklov

as Nikolai Kamanin

Olga Ivanova

as Valentina Ivanova

Sergei Laktuynkin

as Valeriy Bykovsky

Inga Strelkova-Oboldina

as Ada Kotovskaya

Sergey Kalashnikov

as Pavel Popovich

Danila Bukrin

as Boriska

Vladimir Chuprikov

as Nikita Khrushchev

Viktor Proskurin

as Father

Nadezhda Markina

as Anna Timofeevna Gagarina

Vadim Michman

as Herman Titov

Sergey Tezov

as Colonel Karpov

Anatoliy Otradnov

as Adrian Nikolaev

Evgeniy Tkachuk

as Lieutenant

Dmitry Tikhonov

as Konstantin Feoktistov

Olga Yakovtseva

as Tanya

John Bakhanbaev

as Cosmonaut

Valery Afanasyev

as Boatman

Maksim Saprykin

as Child Yuri Gagarin

Khristopher Yakovtsev

as Child Yuri Gagarin

Lev Yakovtsev

as Child Yuri Gagarin

Aleksandr Pal

Darya Melnikova

as Zoya Gagarina

Daniil Vorobyov

as Grigoriy Nelyubov

Anatoliy Gushchin

as Aleksey Leonov

Sergey Kagakov

as Oleg Ivanovskiy

Olga Kuzmina

as Marina Popovich

Marina Pravkina

as Tamara Titova

Ivan Dobronravov

as Boris Volynov

Anatoly Kalmykov

as Orchestra Manager

Ilya Rutberg

as Professor

Anastasia Privalova

as Reporter

Dmitry Kalistratov

as Evgeniy Krunov

Elmar Ablaev

as KGB Officer

Andrei Demchenko

Roman Senkov

Mikhail Gorskiy

as Viktor Gorbatko

Anton Toropov

Dmitriy Maltsev

Oliviya Yakovtseva