A young astronomer is becoming more of administrator instead of concentrating on science.
| Actor | Role |
|---|---|
 Vitali SolominPasha Dobrynin | Pasha Dobrynin |
 Vera GlagolevaKatya | Katya |
 Viktor IlichyovYura | Yura |
 Rolan BykovPostnikov | Postnikov |
 Armen DzhigarkhanyanSerafimov | Serafimov |
 Larisa UdovichenkoLyusya | Lyusya |
 Nikolai ParfyonovNovikov | Novikov |
 Leonid KuravlyovEmtsov | Emtsov |
 Irina ShmelevaLena | Lena |
 Yelena SanayevaBaba-Yaga | Baba-Yaga |
 Nina MaslovaOlya | Olya |
 Sergey MigitskoStomatologist | Stomatologist |
 Valentin SmirnitskiyYulik | Yulik |
| AAleksandr Kuznetsovchief-cooker | chief-cooker |
| KKonstantin KuzhalievSongs (voice) | Songs (voice) |
 Yuri PuzakovNot listed | Not listed |