Young musicologist Marina Gabrielyan arrives in Leningrad with the aim of finding and restoring the first symphony by renowned composer Sergei Kornilov. Despite the composer's active resistance, she manages to find individual parts of the symphony and, with the help of young composer Gurov, restore the music.
| Actor | Role |
|---|---|
 Zinoviy GerdtNarrator (voice) | Narrator (voice) |
| VVilyam SemyonovNot listed | Not listed |
| RRaisa SpasskayaNot listed | Not listed |
 Viktoriya FyodorovaNot listed | Not listed |
 Aleksey KozhevnikovNot listed | Not listed |
 Yevgeni TeterinNot listed | Not listed |
| LLeonid LyubashevskyNot listed | Not listed |
 Igor GorbachyovNot listed | Not listed |
 Yevdokiya UrusovaNot listed | Not listed |
 Georg OtsNot listed | Not listed |
 Aleksandr DemyanenkoNot listed | Not listed |
 Aleksei SmirnovNot listed | Not listed |
 Nikolai Volkov St.Not listed | Not listed |
 Nikolai Volkov Jr.Not listed | Not listed |
 Boris MuravyovNot listed | Not listed |