This film consists of three parts. The first dramatizes the life of the founder of Soviet astronautics, Konstantin Tsiolkovsky; the second describes the development of rocket technology; and the third visualizes the future with enactments of the first manned spaceflight, spacewalk, space station construction and humans on the moon.
| Actor | Role |
|---|---|
| GGeorgi SolovyovKonstantin Tsiolkovsky | Konstantin Tsiolkovsky |
| GGeorgi KulbushAstronaut | Astronaut |
| AAndrey ShutkoAstronaut | Astronaut |
| DDmitriy ShatrovAstronaut | Astronaut |
| GG. BakhmatskiyNot listed | Not listed |
 Leonid KhmaraNarrator (voice) | Narrator (voice) |