Untidy schoolboy and schoolgirl are forced to engage into a magical journey to find and erase an ugly blot they created.
| Actor | Role |
|---|---|
 Tamara DmitrievaBoy (voice) | Boy (voice) |
 Klara RumyanovaGirl (voice) | Girl (voice) |
 Anastasiya GeorgiyevskayaBaba Yaga (voice) | Baba Yaga (voice) |
 Aleksandr GravePyotr Ivanovich (voice) | Pyotr Ivanovich (voice) |
 Anatoliy PapanovStreet sweeper (voice) | Street sweeper (voice) |
 Aleksey PolevoyRobinson (voice) | Robinson (voice) |
 Agar VlasovaThe ink blob (voice, uncredited) | The ink blob (voice, uncredited) |