Первоклассница

Natalya Zashchipina

Marusya Orlova

Тамара Макарова

Anna Ivanovna, teacher

Кира Головко

Marusya's mother

Татьяна Барышева

Marusya's grandmother

Yelena Yegorova

Veronika Ilyinishna, school principal

Igor Iroschkin

Serezha

Mila Kostykova

Galya

Elena Taranova

Vera

Tamara Vikhman

Nina Sokolova

Maria Zhvirblis

Teacher

Valentina Kibardina

Teacher

Stepan Kayukov

Ivan Sergeyevich, street sweeper

Владимир Уральский

Policeman

Георгий Милляр

Postman

Yelena Maksimova

Woman with flowers

Ростислав Плятт

Botanist

Mariya Yarotskaya

Teacher's mother

Inna Reformatskaya

Valya, pioneer leader

Елена Чайковская

Marusya's classmate (uncredited)

Рудольф Фурманов

(uncredited)

Александр Дегтярь

Marusya's father

Natalya Tsvetkova

(uncredited)