The primary present-day antagonist, known for his abusive behavior toward his family. His character is symbolic of the malignant figures exposed by societal movements for justice.

Gretel's childhood crush and the teen SS officer who becomes an antagonist in her youth. His presence reminds Gretel of the past and the violence associated with it.

A long-time resident of the building who is looked after by Gretel. She struggles with health issues and is seemingly supported by Gretel in making sound life choices.

Initially underestimated by Gretel, she emerges as a confident and health-conscious woman. She evolves into a trusted confidant and friend to Gretel.

Gretel's son, who at first appears predatory, focusing on financial gain. His intentions are later reassessed as the story progresses.

Heidi's grandson, with initially dubious intentions regarding her flat. His character develops through the story, revealing genuine care for his grandmother.

The young son of Madelyn and Alex, who becomes a symbol of penance and redemption for Gretel. Enamored with exploration and reading, he draws parallels to Gretel's past.

Alex's wife and Henry's mother, initially perceived as superficial by Gretel. Her character reveals complexity as she deals with the effects of her husband's behavior.

Gretel's mother, serving as a contrast to Gretel's character. Her actions and inability to confront their past highlight Gretel's journey.

A vibrant woman Gretel meets on her way to Australia, important for her humorous and independent nature. She shares a secret that sparks Gretel's contemplation of her own past.

Gretel's husband, a historian with an ironic connection to her hidden past. His relationship with Gretel roots her existence in a broader historical context.

Gretel's romantic interest, who ultimately cannot reconcile her past with his personal trauma. His background amplifies the narrative's emotional complexity.

Two French characters who pose as romantic interests to Gretel and Nathalie. Their true intents become apparent as the story unfolds.

A young boy Gretel meets during her time at Auschwitz. He unintentionally highlights her ignorance of the atrocities surrounding her.

Gretel's younger brother, whose story symbolizes her silent past and trauma. His memory is a haunting presence throughout the narrative, marking Gretel's growth.