Casting
Николай Боголюбов
Ognev, chief of Sovier air defence
Sofya Sokolova
Galina, Ognev's sister
Борис Ливанов
Karl Runge, engineer
Николай Подгорный
Professor Runge
Лев Фенин
General Vahr
V. Lavrentiev
Colonel Massalskiy
Александр Антонов
Chief of aviation
Георгий Бобынин
Staff captain Blagonadyozhnyh
K. Chugunov
Master Akim Ivanovich