She is the main character of story.She is the main focus of getting her younger sister back but needs to face the challenges.
The sister of Lida is that mentioned or in the book often because they are separated most likely they want to be together because we don't know her goal.
A big supporting character of a book.We don't have his motivation but I guess it's being a friend to Lida or finding his father is alive.
She is the person that insulted Lida but later apologizes.She works at a hospital and later dies by a Nazi officer after a gun fight.We don't know her motivation but assumption either making friends with Lida or helping kids in the hospital.
She is the overseer of the refugee camp that Lida and Luka are staying at.She suggest Lida not go to the Soviets because they execute prisoners of war even their own.We see when Luka tried to go back to Ukraine and almost died luckily Pani treated him well and able to recover.
She is a supervisor of the laudrymat and Lida works for.She starts off being disgusted by her but when Lida works hard she respected.She awards her with better food than the labor camp provided and some clothes. Unfortunately she dies by bombing raids by the allies.
There are other characters mentioned but either not important or not enough infomation.