Lida Karyakina is 15 years old. Facing trouble at school and at home, she decides to drop out and find a job. Soon, she realizes that she wants to be a teacher.
| Actor | Role |
|---|---|
 Olga TolstetskayaLida Karyakina | Lida Karyakina |
 Klara LuchkoYuliya Mikhaylovna | Yuliya Mikhaylovna |
 Yevgeniya KhanayevaNina Kharitonovna | Nina Kharitonovna |
 Aleksandra TurganVera Kharitonovna | Vera Kharitonovna |
 Vsevolod AbdulovVasiliy Dmitriyevich | Vasiliy Dmitriyevich |
 Aleksandra ZakharovaOlga Pavlovna | Olga Pavlovna |
 Alla MeshcheryakovaAnna | Anna |
 Yuriy ChernovLida's father | Lida's father |
 Aleksandr PashutinFyodor Petrovich | Fyodor Petrovich |
 Vladimir VinogradovVitya | Vitya |
 Yevgeni PivovarovDima | Dima |
| MMaksim GorokhovMisha Sestryonkin (Mishuk) | Misha Sestryonkin (Mishuk) |
 Olga SpirkinaOlga | Olga |
 Natalya ChenchikZoo worker | Zoo worker |
| VVladislav DruzhininVladik | Vladik |
| GGalina BadichFaina Petrovna | Faina Petrovna |
 Vladimir MashchenkoVadim's father | Vadim's father |
 Maya BulgakovaNot listed | Not listed |