Kirill Lavrov

as Andrei Bashkirtsev

Ada Rohovtseva

as Natasha

Igor Gorbachyov

as Evgeniy Ognev

Andrei Popov

as Nikolay Logunov

Igor Vladimirov

as Anatoliy Golovin

Innokentiy Smoktunovskiy

as Konstantin Tsiolkovskiy

Vsevolod Safonov

as Leonid Sretenskiy

Zinoviy Gerdt

as Artur Kartashov

Svetlana Korkoshko

as Zoya Konstantinova

Petr Shelokhonov

as Michael Karelin

Yuri Leonidov

as Morozov

Igor Petrovsky

as

Andro Kobaladze

as Iosif Stalin

Galiks Kolchitcky

as Igor Kurchatov

Lavr Lyndin

as First Cosmonaut

Vera Kuznetsova

as Bashkirtsev's mother

Yevgeni Matveyev

as The Factory Director

Vadim Spiridonov

as Captain Flerov

Evgeniy Steblov

as Bashkirtsev's brother

Boris Belyakov

as Constructor

Nikolai Barmin

as Aviation General

Valentina Khmara

as Secretary

Ervin Knausmyuller

as General