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