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