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