A young sportsman Grisha Fokin falls in love with Masha, the wife of an outstanding scientist - Yuliyan Nikolayevich Stepanov.
| Actor | Role |
|---|---|
 Dmitriy DorliakGrisha Fokin | Grisha Fokin |
 Olga ZhiznevaMasha Stepanova | Masha Stepanova |
 Yuriy YuryevYuliyan Nikolayevich Stepanov | Yuliyan Nikolayevich Stepanov |
 Maksim ShtraukhFyodor Tsitronov | Fyodor Tsitronov |
 Valentina SerovaLiza | Liza |
 Georgiy SochevkoKolya | Kolya |
 Irina VolodkoOlga | Olga |
 Aleksandr ChistyakovOlga's Father | Olga's Father |
 Dmytro Holubynskyisurgeon Ivan Germanovich | surgeon Ivan Germanovich |
| YYekaterina MelnikovaGrisha's mother | Grisha's mother |
| YYekaterina GureykinaKatia, Grisha's neighbor | Katia, Grisha's neighbor |
| IIvan Kononenko-KozelskyiOlga's husband | Olga's husband |
 Ivan Koval-Samborskiysailor | sailor |