Pupils of the ordinary high school organize a “secret society” under the motto “Help the offended and weak, avenge widers and upstarts!” The new pioneer leader supports the children, and soon he manages to make the school life of the children truly fascinating.
| Actor | Role |
|---|---|
| AAleksandr KobozevKolka Snegiryov | Kolka Snegiryov |
 Anna RodionovaMasha Kanareykina | Masha Kanareykina |
 Aleksey BorzunovYura Ustinov | Yura Ustinov |
| VViktor OnuchakFedya Drankin | Fedya Drankin |
 Tatyana KuznetsovaKlava Ogorodnikova | Klava Ogorodnikova |
 Anatoliy KuznetsovSergey Rudenko | Sergey Rudenko |
 Antonina DmitrievaLydia Ivanova | Lydia Ivanova |
 Vitali OvanesovValery Novikov | Valery Novikov |
 Savely KramarovVovka Pimenov (Pimen) | Vovka Pimenov (Pimen) |
 Boris NovikovKuzma | Kuzma |
 Lyudmila ChernyshyovaNina Aleksandrovna Novikova | Nina Aleksandrovna Novikova |
| IIgor KosukhinIsaev | Isaev |
 Svetlana KharitonovaEvgenia Petrovna | Evgenia Petrovna |
 Yuriy NikulinVasya | Vasya |
 Yevgeni TeterinFyodor Fyodorovich | Fyodor Fyodorovich |
| AAnatoly YeliseyevCriminal | Criminal |