Schoolboy Vasya and his little sister Klasha live on the shore of a picturesque lake, in which trout are bred. With the help of their friends, the dogs of the Quiver and the horse Strelka, the guys detain the poachers.
| Actor | Role |
|---|---|
 Vasili FuntikovVasya | Vasya |
| SSasha KravchenkoKlasha - Vasi's younger sister | Klasha - Vasi's younger sister |
| IIgor RogozhinYurka | Yurka |
 Gennadi FrolovPapa Vasi | Papa Vasi |
 Valeriy NosikKulichkov | Kulichkov |
 Larisa BarabanovaShura - Mother Vasi | Shura - Mother Vasi |
 Nina BeloborodovaAunt Vera | Aunt Vera |
 Yuri MedvedevChief accountant | Chief accountant |
 Yuri Gorobetssupply manager | supply manager |
 Mikhail MitinGarage manager | Garage manager |
| AA. ChirkunovKuzmich (militsioner) | Kuzmich (militsioner) |
 Vladimir GerasimovValera - Policeman | Valera - Policeman |
| TTatyana TeterinaValya | Valya |
 Nikolai GodovikovKolya - Fisherman | Kolya - Fisherman |
 Mikhail Ivanovepisod | episod |
| Yuri GorobetsNot listed | Not listed |