Based on the Vera Panova book about a complicated relationship between an 8-year-old boy and his new stepfather.
| Actor | Role |
|---|---|
 Boris BarkhatovSeryozha | Seryozha |
 Sergei BondarchukKorostelov | Korostelov |
 Irina SkobtsevaMarianna | Marianna |
| NNatasha ChechotkinaLidka | Lidka |
| SSeryozha MetelitsynVasya | Vasya |
| YYura KozlovZhenya | Zhenya |
| AAlyosha DotsenkoShurik | Shurik |
 Lyubov SokolovaVasya's mother | Vasya's mother |
 Vasili Merkuryevuncle Kostya | uncle Kostya |
 Aleksandra Panovaaunt Pasha | aunt Pasha |
 Klarina Frolova-VorontsovaZhenya's aunt | Zhenya's aunt |
 Nikolai SergeyevLukyanych | Lukyanych |
 Valentin BryleevNot listed | Not listed |
 Vyacheslav BrovkinNot listed | Not listed |
| YYe. GulayevaNot listed | Not listed |
 Pavel VinnikNot listed | Not listed |
 Margarita ZharovaNot listed | Not listed |
| YYe. ZhdanovaNot listed | Not listed |
 Pyotr KiryutkinNot listed | Not listed |
 Yevgeni KudryashovNot listed | Not listed |
 Vitaly Belyakov(uncredited) | (uncredited) |
| NNikolai Daneliya(uncredited) | (uncredited) |
 Nina Menshikova(uncredited) | (uncredited) |
| ZZoia Rusina(uncredited) | (uncredited) |
 Ivan Turchenkov(uncredited) | (uncredited) |