 |
Леонид Бакштаев as Pavel Belov - Commander |
 |
Геннадий Шкуратов as August Goris - Navigator |
 |
Анатолий Матешко as Mitya Tamarkin - Flight engineer |
 |
Виталий Дорошенко as Alexander Sagansky - Cybernetic |
 |
Людмила Смородіна as Maria Dementieva - Doctor |
 |
Елена Тонунц as Eya - Alien |
|
Roald Sagdeyev as Self |
 |
Alexei Leonov as Introduction Speaker |
|
Vitaliy Sevastyanov as Self - Introduction Speaker |
|
Iosif Shklovskiy as Self |
|
Nikolay Kardashev as Self |
 |
Анатолий Азо as Nikolay Krechet - Project manager |
 |
Андрей Градов as Andrey Semyonovich |
 |
გივი თოხაძე as Old Man - Alien |
 |
ლია ელიავა as Woman - Anna Petrovna/Alien |
 |
Юрий Меншагин as Italian Astronaut |
|
Борис Руднев as Italian Astronaut |
 |
Валентин Кулик as Committee Member (Uncredited) |
 |
Эрменгельд Коновалов as Committee Member (Uncredited) |
 |
Николай Бриллинг as Committee Member (Uncredited) |
 |
Борис Быстров as Voice of Commander Belov (Uncredited) |
 |
Алексей Сафонов as Voice of Nikolay Krechet (Uncredited) |
| Directing | Василий Левин | Director |
| Sound | Александр Зацепин | Music |
| Writing | Валентин Селиванов | Writer |
| Writing | Alexei Leonov | Writer |
| Camera | Вадим Авлошенко | Director of Photography |
| Camera | Едуард Губський | Director of Photography |
| Camera | Юрий Лемешев | Director of Photography |
| Art | Лариса Токарева | Production Design |
| Art | Александр Токарев | Production Design |
| Directing | Сергей Цивилько | Assistant Director |
| Sound | Анна Подлесная | Sound Director |
| Editing | Виктория Монятовская | Editor |
| Costume & Make-Up | Наталья Акимова | Costume Design |
| Costume & Make-Up | Світлана Кучерявенка | Makeup & Hair |
| Writing | Roald Sagdeyev | Script Consultant |
| Crew | Roald Sagdeyev | Scientific Consultant |
| Writing | Nelli Nekrasova | Script Editor |
| Sound | Владимир Васильев | Conductor |
| Production | Гегам Ташчан | Executive Producer |
| Sound | Александр Зацепин | Original Music Composer |
