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