Three astronauts (two Russians and American) find a very Soviet-alike small town on the fourth planet from Sun.
| Actor | Role |
|---|---|
 Anatoliy KotenyovSergey Belyaev | Sergey Belyaev |
 Olga BelyayevaTanya | Tanya |
 Yuriy OrlovIgor Mikhaylov | Igor Mikhaylov |
 Daniel McVicarSam Tyron | Sam Tyron |
 Anatoli ZhuravlyovAndrey | Andrey |
 Valentin BukinKolya | Kolya |
 Antonina VvedenskayaNot listed | Not listed |
 Valeriya KiselyovaNot listed | Not listed |
 Vladimir PrivalovNot listed | Not listed |
 Vladimir TrukhanovNot listed | Not listed |
 Valery Kravchenkoалкаш, убийца Тани | алкаш, убийца Тани |
 Igor IvanovNot listed | Not listed |
 Yuriy OvsyankoNot listed | Not listed |
 Vladimir LelyotkoNot listed | Not listed |
 Gennadi SvirNot listed | Not listed |
 Artur VakhaNot listed | Not listed |
 Dmitriy AstrakhanNot listed | Not listed |
| LLyudmila VagnerNot listed | Not listed |
 Oleg DanilovNot listed | Not listed |
 Sergey KokovkinNot listed | Not listed |
 Vladimir KarpenkoNot listed | Not listed |
 Armenak NazikyanNot listed | Not listed |
| VVladimir KhrapunovNot listed | Not listed |
| GGalina TugushevaNot listed | Not listed |
 Gennadi VoropayevNot listed | Not listed |
| VViktor GogolevNot listed | Not listed |