According to Lopotukhin...
1983A movie about very strange events which happened in the ordinary school after Vasya Lopotukhin got late to a math lesson because of his meeting with aliens.
Acted in
Leonid Bronevoy
as Yuri Leonidovich, headmaster / humanoid
Svetlana Kryuchkova
as Alla Konstantinovna, teacher of mathematics
Ilya Rutberg
as teacher's husband / humanoid
Boryslav Brondukov
as Uncle Kolya
Grigori Yevseyev
as Vasya Lopotukhin
Vitaliy Leonov
as Stepan Ivanovich
Ivan Ufimtsev
as Ivan Stepanovich
Vasya Arkanov
as Shafirov
Natasha Zbrueva
as Malakhov
Anton Narkevich
as Pavlov
Maxim Kondratiev
as Petrov
Maxim Shirokov
as Poluektov