Trailer
 | Valeriy Grishko as Sergei Korolev |
 | Boris Shcherbakov as Valentin Glushko |
 | Lidiya Arefeva as Nina Ivanovna |
 | Aleksey Bogachuk as Yuri Gagarin |
 | Fyodor Lavrov as Alexei Leonov |
| Georgy Soldatov as Konstantin Feoktistov |
 | Boris Kamorzin as N. S. Khrushchev |
 | Anatoliy Kotenyov as L. I. Brezhnev |
 | Vadim Andreyev as Stalin |
 | Alexander Kuznetsov as D. F. Ustinov |
 | Sergey Nikonenko as Boris Beshchev |
 | Yuriy Nazarov as Vasily Voznyuk |
 | Yuriy Tsurilo as Georgy Shubnikov |
 | Valery Afanasyev as Kozlov |
 | Irina Valts as Valentina Ivanovna |
 | Polina Lazareva as Natalya Koroleva |
 | Aleksandr Oleshko as Vladimir Yazdovsky |
 | Yuriy Kara as Rudnev |
 | Vladimir Borisov as Vasily Mishin |
 | Anatoly Kot as Nikolai Kamanin |
 | Boris Tokarev as Karpov |
 | Evgeniy Redko as Chertok |
 | Leonid Timtsunik as Yakovlev |
 | Nikolay Burlak as Pavel Belyayev |
 | Sergey Godin as Gherman Titov |
 | Richard Bondarev as Popovich |
| Aleksandr Lubinec as Bykovsky |
| Denis Sidelnikov as Nikolaev |
| Roman Sergienko as Bondarenko |
 | Vladimir Shcherbakov as L. P. Beria |
 | Sergey Nikolaev as G. M. Malenkov |
 | Karen Badalov as Mikoyan |
| Aleksandr Korobkov as Khomyakov |
| Mikhail Kalinin as Staff Aide |
 | Viktor Fokin as Pilyugin |
| Vadim Chibisov as Lappo |
| Nikolaj Korobov as Gurovsky |
 | Laura Keosayan as Glushko's Wife |
| Irina Smagina as Svetlana |
| Roman Krymov as Ivanovsky |
| Igor Beketov as Designer |
| Sergey Bazhenov as Design Engineer |
| Gennadiy Salin as Worker |
| Leonid Simakov as Laboratory Assistant |
| Sagit Sharafutdinov as Khalabudenko |
| Alyona Korotsvit as Employee |
| Georgiy Gubin as Classmate |
| Nikita Chisnikov as Doctor |
 | Polina Tarasova as Young Pioneer |
| Olga Shashlykova |
| Production | |
| Yuriy Kara | Production Director |
Directing | |
| Yuriy Kara | Director |
Writing | |
| Yuriy Kara | Writer |
Camera | |
| Vladimir Klimov | Director of Photography |
Art | |
| Yuriy Ustinov | Production Design |
Costume & Make-Up | |
| Aleksandra Andreeva | Costume Design |
Sound | |
| Aleksey Shelygin | Music Director |
