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