A new boy impressed everybody by his knowledge during the history lesson but this impression didn't last long.
| Actor | Role |
|---|---|
 Pavel GayduchenkoГена Пенкин | Гена Пенкин |
 Mariya VartikovaГаля Кудрявцевав | Галя Кудрявцевав |
 Mikhail PugovkinМирон Сергеевич | Мирон Сергеевич |
 Vera VasilevaБерта Павловна | Берта Павловна |
 Valentina TalyzinaNot listed | Not listed |
 Marina DyuzhevaНина Григорьевна, «Аврора Варяговна» | Нина Григорьевна, «Аврора Варяговна» |
 Raisa RyazanovaNot listed | Not listed |
 Georgiy ShtilAlexander Vasilyevich, the school director | Alexander Vasilyevich, the school director |
 Boryslav BrondukovNot listed | Not listed |
 Yevgeni GerasimovNot listed | Not listed |
 Marina YakovlevaNot listed | Not listed |
 Mikhail KokshenovNot listed | Not listed |
 Elena SkorokhodovaNot listed | Not listed |