演职人员
Pavel Belov - Commander
Леонид Бакштаев
August Goris - Navigator
Геннадий Шкуратов
Mitya Tamarkin - Flight engineer
Анатолий Матешко
Alexander Sagansky - Cybernetic
Виталий Дорошенко
Maria Dementieva - Doctor
Людмила Смородіна
Eya - Alien
Елена Тонунц
Self
Roald Sagdeyev
Introduction Speaker
Alexei Leonov
Self - Introduction Speaker
Vitaliy Sevastyanov
Self
Iosif Shklovskiy
Self
Nikolay Kardashev
Nikolay Krechet - Project manager
Анатолий Азо
Andrey Semyonovich
Андрей Градов
Old Man - Alien
გივი თოხაძე
Woman - Anna Petrovna/Alien
ლია ელიავა
Italian Astronaut
Юрий Меншагин
Italian Astronaut
Борис Руднев
Committee Member (Uncredited)
Валентин Кулик
Committee Member (Uncredited)
Эрменгельд Коновалов
Committee Member (Uncredited)
Николай Бриллинг
Voice of Commander Belov (Uncredited)
Борис Быстров
Voice of Nikolay Krechet (Uncredited)
Алексей Сафонов