Funny adventures of identical and in a same time very different twin brothers Sasha and Lesha Zavitaykin during the summer vacations.
| Actor | Role |
|---|---|
 Dmitri ZamulinLyosha Zavitaykin / Sasha Zavitaykin | Lyosha Zavitaykin / Sasha Zavitaykin |
 Yevgeni TseitlinZhenya Lyutatovskiy | Zhenya Lyutatovskiy |
 Yuliya MazankinaToshka | Toshka |
 Vladimir ZhuravlyovMeshkoff | Meshkoff |
 Dmitriy IosifovMesye Komarov | Mesye Komarov |
 Sergey ZakhoroshkoSutulov | Sutulov |
 Andrey VertelMolchunov | Molchunov |
 Andrey IosifovDeryabin | Deryabin |
| AAndrey RubinKeshka | Keshka |
| DDanila ZaytsevGeshka | Geshka |
 Boris GalkinPapa Zavitaykinykh | Papa Zavitaykinykh |
 Olga GobzevaMama Zavitaykinykh | Mama Zavitaykinykh |
| NNikolai LukyanovPapa Lyutatovskogo | Papa Lyutatovskogo |
 Anatoliy RavikovichDed Lyutatovskogo | Ded Lyutatovskogo |
 Oleg KorchikovNikolay Ivanovich | Nikolay Ivanovich |
 Tamara MuzhenkoEpisodic role | Episodic role |
| DDmitriy BondarDimka - pioner | Dimka - pioner |
| EElena BudinasLyuba - pomoshchnitsa pionera | Lyuba - pomoshchnitsa pionera |
 Aleksandr BespalyyEpisodic role | Episodic role |
 Waléra KanischtscheffPioner | Pioner |