character - Narrator

character - Nikolai Schelokov

character - Golyba

character - Белов

character - офицер 8-го мехкорпуса

character - Виталий Николаевич Свиридов, следователь НКВД

character - Gleb Petrovich

character - Dyomin

character - физик Евгений Александрович Крымов

character - Stepan Yakovlevich Shokhin (direktor shkoly)

character - Молотков

character - Kosov

character - Vedmed

character - Sergei

character - Nikolai

character - Vasya Gordiyenko

character - Zernov

character - Иван Кравчук

character - Seryozha Davydov

character - 'Chap'

character - student at a meeting (uncredited)

character - Lyosha Starostin