The film consists of three novellas that tell about the happy and joyful lives of Soviet children.
| Actor | Role |
|---|---|
 Boris BityukovNot listed | Not listed |
 Georgi ZhzhyonovNot listed | Not listed |
| IIrina KrivoshanovaNot listed | Not listed |
 Valentina KutsenkoNot listed | Not listed |
| ZZhenya TroshchenkoNot listed | Not listed |
| ZZhenya KheifitsNot listed | Not listed |
| MMisha ChistovNot listed | Not listed |
| DDima ShustenkoNot listed | Not listed |
 Valerian VinogradovNot listed | Not listed |
 Stefaniya StanyutaNot listed | Not listed |
 Troady DobrotvorskyNot listed | Not listed |