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