Casting principal
Георгий Бурков
Planetarium Lecturer
Екатерина Голубева-Польди
Katya Sinitsyna
Ian Khviler
'Myamlya' Krotov, Anton's younger brother
Татьяна Божок
Nina Grigoryevna, Teacher
Екатерина Васильева
Valentina Serafimovna, Teacher
Евгения Ханаева
Director of the School, Nina's Grandmother
Рина Зелёная
Great Grandmother
Мария Виноградова
Dasha Gushchina's Grandmother
Notes
Équipe technique
Production
Mosfilm