as Sergei
as Gleb Petrovich
as Nikolai
as Zernov
as Seryozha Davydov
as student at a meeting (uncredited)
as Dyomin
as Vedmed
as физик Евгений Александрович Крымов
as Nikolai Schelokov
as Stepan Yakovlevich Shokhin (direktor shkoly)
as Белов
as Golyba
as Lyosha Starostin
as Kosov
as 'Chap'
as Medvedev
as Vasya Gordiyenko
as Иван Кравчук
as Narrator
as Борис Анатольевич Молотков
as офицер 8-го мехкорпуса
as Виталий Николаевич Свиридов, следователь НКВД
