A Soviet violinist, during a concert tour in Japan, meets a little milk carrier named Taro. Upon returning home, the violinist tells Moscow schoolchildren about the lonely little Japanese boy who dreams of corresponding with Soviet kids. And 10,000 pioneers offered Taro their friendship...
| Actor | Role |
|---|---|
| RRavshan AgzamovNot listed | Not listed |
| SSvetlana TravkinaNot listed | Not listed |
 Yekaterina DerevshchikovaNot listed | Not listed |
 Yoshiko OkadaNot listed | Not listed |
 Yuriy KoltsovNot listed | Not listed |
 Elizaveta AlekseevaNot listed | Not listed |
 Elena PonsovaNot listed | Not listed |
 Vera PetrovaNot listed | Not listed |
 Nadezhda SamsonovaNot listed | Not listed |