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