A film about the friendship between Soviet artists touring Finland and Finnish children, members of an amateur music ensemble in the city of Tampere.
| Actor | Role |
|---|---|
 Esko RoineWilli Virtanen | Willi Virtanen |
| UUlla-Maija SiikavireTiina Virtanen | Tiina Virtanen |
 Niklas VainioMikko | Mikko |
 Raimo GrönbergHeimo Niemi | Heimo Niemi |
 Ulla TapaninenPamela Niemi | Pamela Niemi |
 Heta HyttinenNina Niemi | Nina Niemi |
 Anne VeskyAnne Vesky | Anne Vesky |
 Amayak AkopyanAmayak Akopyan | Amayak Akopyan |
 Yuri KuklachevYuri Kuklachev | Yuri Kuklachev |
| RRiki Sorsacameo | cameo |
 Pavel VinnikNikitin - senior traffic police inspector, captain | Nikitin - senior traffic police inspector, captain |
| YYucca SipiläMorrie | Morrie |
| HHarry KulmalaLasse | Lasse |
| EElena KuklachevaElena | Elena |
 Lev Durovfrom the author | from the author |