While on a business trip to Leningrad, engineer Sergei Gushchin meets a young woman and quickly falls for her. Acutely aware of the age difference between the two, the man decides against pursing the relationship.
| Actor | Role |
|---|---|
 Kirill LavrovSergei Gushchin | Sergei Gushchin |
 Nina UrgantMaria | Maria |
 Natalya TenyakovaNatasha Proskurova | Natasha Proskurova |
| YYelena YefimovaZhenya | Zhenya |
 Vsevolod KuznetsovBasalayev | Basalayev |
 Yuzef MironenkoPoet | Poet |
 Aleksandr KhochinskyComposer | Composer |
| BBoris SamoshinAfanasyev | Afanasyev |
 Nikolai MuravyovDriver | Driver |
| GGeorgi ArsenjevPassenger | Passenger |
 Anatoliy PodshivalovActor (uncredited) | Actor (uncredited) |