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