Dmitri Zamulin as Lyosha Zavitaykin / Sasha Zavitaykin

Yevgeni Tseitlin as Zhenya Lyutatovskiy

Yuliya Mazankina as Toshka

Vladimir Zhuravlyov as Meshkoff

Dmitriy Iosifov as Mesye Komarov

Sergey Zakhoroshko as Sutulov

Andrey Vertel as Molchunov

Andrey Iosifov as Deryabin

Andrey Rubin as Keshka

Danila Zaytsev as Geshka

Boris Galkin as Papa Zavitaykinykh

Olga Gobzeva as Mama Zavitaykinykh

Nikolai Lukyanov as Papa Lyutatovskogo

Anatoliy Ravikovich as Ded Lyutatovskogo

Oleg Korchikov as Nikolay Ivanovich

Tamara Muzhenko as Episodic role

Dmitriy Bondar as Dimka - pioner

Elena Budinas as Lyuba - pomoshchnitsa pionera

Aleksandr Bespalyy as Episodic role

Waléra Kanischtscheff as Pioner