An older red-haired boy who takes on a protective role, guiding Misha and the others through the streets of Warsaw. He is a leader among the orphan boys, resourceful and caring.

A little girl who starts as somewhat spoiled and resistant to the hardships she faces. Despite her tantrums, she maintains a caring nature and forms a bond with Misha.

Janina's compassionate father and a pharmacist who continues to offer his services despite the challenging circumstances. He becomes a paternal figure to Misha.

Janina's mother, whose health declines upon entering harsh new conditions, resulting in her growing despondency. She is characterized by her sense of loss and despair.

Janina’s uncle, struggling with his circumstances to an extent that impacts his empathy for others. He pursues conversion in hopes of survival.

A boy in the group of orphans who initially teases Misha but becomes a part of their efforts to find food. Known for his lighthearted, clownish demeanor.

A friend of Misha's with one arm, lost to a train accident, who holds a hopeful belief in angels. His fate deeply impacts the group.

A skeptical and grim-faced boy among Misha's companions, often expressing disbelief in any sort of hope or goodness.

A large boy who favors wearing unconventional footwear and is suggested to have a mental disability. He is one of the orphans remaining later in the story.

An unremarkable boy described as gray and unspeaking whom Misha believes to be ill. He is the first of their group to perish in their dire environment.

A kind and real-life physician devoted to caring for orphans, grateful for the help provided by Misha and others.

A Jackboot figure with authority over the ghetto where Misha resides, noted for his ordinary appearance as perceived by Misha.

A Flop known for his terrifying method of killing children, marked by his habit of chewing mint leaves, which serves as a warning scent.

A farmer's wife who assists Misha following an injury, providing him care and urging him to stay on the farm for safety.

Misha’s wife for a brief period, intrigued by his stories but ultimately leaving due to the weight of his past and evident scars.

Misha's adult daughter who searches for her father to welcome him into her life. She has Misha name her daughter, conveying an understanding of his history.

Misha's young granddaughter and delight, bringing him joy and a sense of belonging through her affectionate nickname for him.