Kira Golovko

Marusya's mother

Tatyana Barysheva

Marusya's grandmother

Yelena Yegorova

Veronika Ilyinishna, school principal

Igor Eroshkin

Serezha

Mila Kostykova

Galya

Elena Taranova

Vera

Tamara Vikhman

Nina Sokolova

Maria Zhvirblis

Teacher

Valentina Kibardina

Teacher

Stepan Kayukov

Ivan Sergeyevich, street sweeper

Vladimir Uralskiy

Policeman

Georgi Millyar

Postman

Yelena Maksimova

Woman with flowers

Rostislav Plyatt

Botanist

Mariya Yarotskaya

Teacher's mother

Inna Reformatskaya

Valya, pioneer leader

Elena Chaykovskaya

Marusya's classmate (uncredited)

Rudolf Furmanov

(uncredited)

Aleksandr Degtyar

Marusya's father

Natalya Tsvetkova

(uncredited)