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