Volodya Pozdneyev
as Petya
Тамара Трушина
as Mother
Yuriy Minin
as Teacher
Георгий Вицин
as Magician Now (voice)
Ирина Карташева
as Mother (voice)
Владимир Лепко
as Policemen / Executioner (voice)
Григорий Шпигель
as Teacher from the future (voice)
Leonid Eremeev
as Mustaches man (voice)
Анатолий Папанов
as Street sweeper Ivan / Robot (voice, incredited)
Клара Румянова
as Girl from the future (voice, uncredited)
Юрий Хржановский
as Stone age people / Teacher from the past / Magician Now (voice, uncredited)
