Voldya Sidorov, a high school student, is visited by his beloved grandfather, Yegor Kuzmich, who arrives from Nadym and brings a crystal the size of a baby’s head as a gift. The grandson and grandfather take the crystal to a pawn shop and ask for three hundred. And they’re offered three hundred... thousand dollars. The crystal turned out to be an uncut diamond...
| Actor | Role |
|---|---|
 Larisa UdovichenkoNot listed | Not listed |
 Viktor StepanovNot listed | Not listed |
| PPyotr UlyanovNot listed | Not listed |
 Elena BushuevaNot listed | Not listed |
 Sergey BatalovNot listed | Not listed |
 Tatyana KravchenkoNot listed | Not listed |
 Ilya RutbergNot listed | Not listed |
 Viktor BortsovNot listed | Not listed |
 Vladimir PermyakovNot listed | Not listed |
 Vitaliy AlshanskiyNot listed | Not listed |
 Galina StakhanovaNot listed | Not listed |