Cast
Виктор Яковлев
Alyona's relative
Алексей Бахарь
pilot (uncredited)
Валентина Ананьина
Aleksei Ivanovich's companion (uncredited)
Ирина Мирошниченко
Violetta
Кларина Фролова
Alyona's grandmother
Георгий Светлани
Alyona's grandfather
Вячеслав Гостинский
member of the American delegation (uncredited)
Семён Бардин
member of the academic Council (uncredited)
Филимон Сергеев
Kirill
Erwin Knausmüller
rewarding person (uncredited)
Александр Ханов
Aleksei Ivanovich
Георгий Куликов
Nikolai Lvovich
Леонид Чубаров
trainer
Николай Толкачёв
member of the academic Council
Thomas Holtzmann
Self (uncredited)
Marina Vlady
Self (uncredited)
Лариса Жуковская
princessa Christina
Александр Потапов
Taras
Леонид Брусин
Vikentiy
Аркадий Цинман
speaker at the academic Council in MAI
Juri Zurilo
Marko
Олег Мокшанцев
Soluyanov
Павел Винник
Shatrov
Владимир Липпарт
member of the academic Council
Eugeny Agurov
head of the American delegation
Пётр Репнин
member of the academic Council (uncredited)
Ольга Наровчатова
student-rower (uncredited)
Gennady Bolibok
Yukhan
Александр Леньков
Lyonya
Иван Бычков
longshoreman
Инна Кондратьева
member of the academic Council (uncredited)
Леонид Евтифьев
member of the academic council
Наталья Кустинская
Alyona
Валентин Смирнитский
Vasiliy
Александр Грузинский
Gervasiy Fedoseyevich
Вячеслав Захаров
Seva