Based on real events that took place during the construction of the Nurek hydroelectric power station, where a new form of socialist competition, “Workers' Relay Race,” was born.
as Konstantin Dyomkin
as Said-aka
as Damir
as Igor
as Fyodorov
as Sangov
as Saidmuradov
as Mavlyuda's Mother
as Damir's Wife
as Konstantin's Mother
as Takhir-aka
as Refueller
as Graduate Student
as Clansman
as Grigoriy Ivanovich
as Driver
as Ignat Petrovich Levchenko
as Secretary
as Begov
as Mavlyuda's Grandmother, uncredited
as Conferee, uncredited
as Daler