Igor Grushko
Mariya Vasilyevna Devyatova
Kaleriya Georgiyevna
Taya Petrova
Oleg Komarovsky
Dasha Rozanova
Karl Sigizmundovich
Semyon Semyonovich
Rufina Andreyevna
Komarovsky's father
Vladimir Valentinovich (swimming coach) (uncredited)
French language teacher
Shurik Korbut