Cast
- Volodya Pozdneyev as Petya
- Tamara Trushina as Mother
- Yuriy Minin as Teacher
- Georgiy Vitsin as Magician Now (voice)
- Irina Kartashyova as Mother (voice)
- Vladimir Lepko as Policemen / Executioner (voice)
- Grigoriy Shpigel as Teacher from the future (voice)
- Leonid Eremeev as Mustaches man (voice)
- Anatoliy Papanov as Street sweeper Ivan / Robot (voice, incredited)
- Klara Rumyanova as Girl from the future (voice, uncredited)