The scientist Levandowski was once unfairly excluded from scientific activity. But he still returns to the institute, creates a new laboratory and, together with his students, turns to a project that he has been hatching for many years...
| Actor | Role |
|---|---|
 Nikolai Volkov St.Not listed | Not listed |
 Viktor YevgrafovNot listed | Not listed |
 Valeri KozinetsNot listed | Not listed |
 Natalya VarleyNot listed | Not listed |
| YYuriy BashkovNot listed | Not listed |
 Liliya GritsenkoNot listed | Not listed |
 Pantelejmon KrymovNot listed | Not listed |
 Aleksandr KhochinskyNot listed | Not listed |
 Valentin NikulinNot listed | Not listed |
 Grigoriy ShpigelNot listed | Not listed |