The artificial brain Sig, created under the guidance of Professor Yavorovsky, disappeared in one of the research institutes. Meanwhile, strange phenomena are happening in the city: all the zoo animals have been released from their cages, and the books in the city's book depository have been mixed up. And Whitefish, having mastered the accumulated experience of science and fiction accumulated by mankind, creates an artificial organism himself, returns to the professor and is soon sent to the constellation Gemini.
| Actor | Role |
|---|---|
 Vsevolod GavrilovNot listed | Not listed |
 Gennadi ShkuratovNot listed | Not listed |
 Boris BelovNot listed | Not listed |
| GGulcha TashbayevaNot listed | Not listed |
| VViktor LeksikovNot listed | Not listed |
 Yaroslav HavryliukNot listed | Not listed |
 Georgiy GrechkoNot listed | Not listed |
 Halyna DovhozvyahaNot listed | Not listed |
 Ivan MykolaichukNot listed | Not listed |
| IIvan SorokinNot listed | Not listed |
| NNikolay VoroninNot listed | Not listed |
 Viktor MalyarevychNot listed | Not listed |
 Vyacheslav ZholobovNot listed | Not listed |
 Aleksandr PavlovNot listed | Not listed |
 Yuriy RudchenkoNot listed | Not listed |
 Vladimir MishakovNot listed | Not listed |
| YYuriy BrylinskiyNot listed | Not listed |
| VVladimir YefimovNot listed | Not listed |
| SSergey KulinichNot listed | Not listed |
| VVladimir GlukhoyNot listed | Not listed |
 Valeri SvishchyovNot listed | Not listed |