Degtyarev
Liza
Varvara Nikolaevna
Sakharov
teacher
Borya
Nadya
geometry teacher
Makar
Nikolai
member of the construction team
Viktor Nikolayevich
Kostya Fomin (uncredited)
builder (uncredited)
builder (uncredited)
member of the construction team (uncredited)
member of the construction team (uncredited)
passerby (uncredited)
Valya (uncredited)
member of the construction team (uncredited)
member of the construction team (uncredited)