as Zernov

as Nikolai

as Seryozha Davydov

as student at a meeting (uncredited)

as Sergei

as Kruglov

as Stepan Yakovlevich Shokhin (direktor shkoly)

as Lyosha Starostin

as Kosov

as Golyba

as Medvedev

as Vedmed

as 'Chap'

as Vasya Gordiyenko

as Nikolai Schelokov