The film is about the Soviet youth who fearlessly fight in the years of the Great Patriotic War against the Nazi invaders in the German-occupied Donbass and continue the work of their fathers, who in their time defended the Soviet Union.
| Actor | Role |
|---|---|
 Tatyana OkunevskayaNatasha Loginova | Natasha Loginova |
 Yelena TyapkinaDarya Timofeevna | Darya Timofeevna |
 Vera AltayskayaMarusya Shelkoplyas | Marusya Shelkoplyas |
 Ivan PelttserAfanasy Petrovich Kulygin | Afanasy Petrovich Kulygin |
 Ivan PereverzevStepan Andreyevich Ryabinin | Stepan Andreyevich Ryabinin |
 Vladimir BalashovNot listed | Not listed |
 Aleksey KonsovskiyNot listed | Not listed |
 Mikhail KuznetsovNot listed | Not listed |
 Inna MakarovaNot listed | Not listed |
 Yevgeni MorgunovNot listed | Not listed |
 Aleksandr MikhajlovBoris | Boris |
 Yelena IzmailovaLisa | Lisa |
 Heinrich GreifNot listed | Not listed |
| AAnatoly YeliseyevYefimchik | Yefimchik |
 Ariadna LysakSchoolgirl | Schoolgirl |
 Elizaveta LilinaKulygin's Wife | Kulygin's Wife |
| EElena MuzilNot listed | Not listed |
| SSamuil DitlovichOchkar | Ochkar |