The story of an effort to catch "wreckers" at work in a Soviet factory. The film’s title-song called "The Song of the Counterplan", composed by Dmitri Shostakovich, became world famous and was adapted into "Au-devant de la vie", a notable song of the French socialist movement of the 1930s.
Babchenko
Babchikha
Katya
Pavel
Vasya
Skvorzov
Ego mat (as M. Pototskaya)
Direktor zavoda (as A. Alekseev)
Lazarev
Morgun
Chutochkin
Master
Master
Slepnitsyn, young worker (uncredited)