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

В. Лаврентьев

Colonel Massalskiy

Александр Антонов

Chief of aviation

Георгий Бобынин

Staff captain Blagonadyozhnyh

K. Chugunov

Master Akim Ivanovich