A young sportsman Grisha Fokin falls in love with Masha, the wife of an outstanding scientist - Yuliyan Nikolayevich Stepanov.

Dmitriy Dorliakas Grisha Fokin
Olga Zhiznevaas Masha Stepanova
Yuriy Yuryevas Yuliyan Nikolayevich Stepanov
Maksim Shtraukhas Fyodor Tsitronov
Valentina Serovaas Liza
Georgiy Sochevkoas Kolya
Irina Volodkoas Olga
Aleksandr Chistyakovas Olga's Father
Dmytro Holubynskyias surgeon Ivan Germanovich
Yuri Yekelchik