크레딧 출연 Борис Ливанов Pyotr Vinogradov, inventor Valentin Tsishevskiy Senya Kaufman Константин Градополов Kotya Okhotnikov Galina Pashkova Valya, music student Nadezhda Ardi Tonya, architecture student Иван Переверзев Physical education instructor (uncredited) Татьяна Барышева Senya's mother (uncredited) Всеволод Санаев Red army sailor (uncredited) Галина Степанова Young girl (uncredited) Сергей Антимонов Professor (uncredited) Yeva Milyutina Spectator at the concert (uncredited) M. Klyuchareva Middle aged woman (uncredited) 스텝 Александр Мачерет Directing Lev Slavin Writing Евгений Славинский Camera K. Krumin Directing Лев Книппер Sound Николай Тимарцев Sound Aleksei Utkin Art