Klara RumyanovaFrantishek (voice, uncredited) Mariya VinogradovaVlasta / Vlasta's mother / Teacher (voice, uncredited) Anatoliy PapanovMoroz (voice, uncredited) Vadim KurchevskiyDirector Olga GvozdyovaArt Direction Vladimir SarukhanovDirector Of Photography Nadezhda TreshchyovaEditor Boris FilchikovSound Director Mikhail MeerovichOriginal Music Composer Yuriy KlepatskiyAnimation Raisa FrichinskayaScript Editor 
