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