Olya Travina
Nina Pokusayeva (as Olya Milovidova)
Vaska Pakhomov (as Volodya Kovrizhkin)
Genka Ozerov (as Sasha Ozerov)
Seryozha Konevalov (as Andryusha Khlobystin)
Shurik Oreshkin (as Andryusha Zhevkov)
Igor Macheret (as Mitya Artyomov)
Nikolay Ivanovich
Dmitriy Trofimovich Polivanov
Lyudmila Petrovna (as O. Yeliseyeva)
Veniamin Kukushkin
Arkadiy Semyonovich
Viktoriya Stepanovna
Slavka Tyapunov (as Vladik Trebushevskiy)
Pioneer Leader