Directed by
| Mikhail Karyukov | ... | (as M. Karzhukov) |
| Otar Koberidze | ||
Writing Credits (in alphabetical order)
| A. Berdnik | ... | (draft script) |
| Ivan Bondin | ... | (draft script) |
| Mikhail Karyukov | ... | (as M. Karzhukov) |
| Otar Koberidze | ... | (final revised script) |
Cast (in credits order) complete, awaiting verification
| Larisa Gordeychik | ... | Cosmonaut Tanya Krilova | |
 |
Boris Borisyonok | ... | Cosmonaut Andrei Sayenko (as Boris Borisenko) |
| Otar Koberidze | ... | Cosmonaut Ivan Batalov | |
|
|
Peeter Kard | ... | Flight Commander (as Peeter Shmakov) |
|
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Aleksei Genesin | ... | Cosmonaut Pol (as A. Genesin) |
| Vitold Janpavlis | ... | Narrator | |
| Nikolai Timofeyev | ... | Krilov -Project Administrator | |
| Nikolay Volkov | ... | Dr. Laungton | |
|
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T. Pochepa | ... | Etaniya - Alien Woman |
| Rest of cast listed alphabetically: | |||
| Leonid Chinidzhants | |||
|
|
Aleksey Korotyukov | ... | (as A. Korotyukov) |
| Semyon Krupnik | |||
| Vasiliy Vekshin | ... | (as Vasili Vekshin) | |
| Vyacheslav Voronin | |||
Produced by
| Konstantin Zhuk | ... | producer (as K. Zhuk) |
Music by
| Eduard Artemyev | ... | (as Eduard Artemev) |
| Vano Muradeli | ... | (as V. Muradeli) |
Cinematography by
| Aleksei Gerasimov | ... | (as A. Gerasimov) |
Production Design by
| Mikhail Karyukov | ... | (as M. Karzhukov) |
Art Direction by
| Yuri Shvets | ||
Costume Design by
| T. Glinkova | ||
Makeup Department
| Vladimir Talala | ... | makeup artist (as V. Talala) |
Sound Department
| E. Blogerman | ... | sound designer |
| Eduard Goncharenko | ... | sound recordist |
| Olga Voronets | ... | vocal audio |
Special Effects by
| Boris Macheret | ... | special effects photographer |
| Ivan Mikhels | ... | special effects art director |
| Frantsisk Semyannikov | ... | special effects photographer (as F. Semyannikov) |
Camera and Electrical Department
| A. Mosiyenko | ... | unit cinematographer |
Music Department
| Boris Karamyshev | ... | musical director (as B. Karamishev) |
Additional Crew
| A. Kasatkin | ... | scientific advisor |
| M. Kroshkin | ... | scientific advisor |
| K. Kucherov | ... | scientific advisor |
| V. Tsesevich | ... | scientific advisor |
