Juliette is a 17-year-old girl imprisoned by The Reestablishment due to her lethal touch. She has spent 264 days without speaking, surviving her bleak conditions by writing in a small notebook and dreaming of a white bird. Scared and highly self-conscious, she views herself as a monster because her parents and society rejected her. Despite severe emotional deprivation, she retains a strong sense of compassion and refuses to lose her humanity.

Adam is an 18-year-old soldier working for The Reestablishment. He is tall and muscular, bearing military tattoos on his arms and a distinct white bird tattoo on his chest. Initially hostile and uncommunicative in the cell, his demeanor shifts as he interacts with Juliette. He carries deep emotional scars from an abusive father, driving his intense desire to protect the vulnerable people in his life.

Warner is the 19-year-old leader of Sector 45, appointed to power by his father. He maintains a commanding appearance, characterized by his perfectly tailored suits and bright green eyes. He runs his sector with brutal efficiency, frequently using public executions and torture to maintain control. He views Juliette's lethal ability not as a curse, but as a magnificent weapon he wants to control.

James is a 10-year-old boy living in a hidden house away from the immediate dangers of The Reestablishment. He has dirty-blond hair and a friendly disposition. Despite the bleak state of the world, he maintains an optimistic outlook and readily welcomes newcomers into his space.

Kenji is a young man known by the nickname "Moto" who operates as a soldier in Sector 45. He uses humor and constant flirting to deflect tension in dangerous situations. Behind his silly exterior, he is highly observant and plays a complex role in the political friction surrounding The Reestablishment.

Castle is a fit man in his 40s who leads an independent community away from The Reestablishment's direct control. He speaks with calm authority and treats others with a rare level of respect and dignity. He possesses unique abilities of his own and seeks to gather others who have been outcast by society.

Winston is a tall man working in the medical wing of an underground facility. He assists newcomers with their transition into the community, handling basic medical detox and providing specialized clothing. He possesses unusual physical flexibility.

Brendan is a young man with a British accent, extremely pale skin, and white hair. He assists Castle with security monitoring and possesses a unique physical mutation that causes him to generate electrical sparks.

Sonya is a specialized healer working in an underground medical wing. She uses unconventional methods to treat severe physical injuries that standard hospitals cannot fix.

Sara is a specialized healer working alongside her twin sister. Together, they manage the delicate process of repairing traumatic injuries for members of their community.

Jenkins is a soldier serving under Warner in Sector 45. He follows orders strictly, making him a pawn in Warner's violent demonstrations of power.

Seamus Fletcher is a private in the Sector 45 army. He is accused of fraternizing with civilians believed to be rebel party members, facing extreme consequences for his actions.

Benny is an elderly woman living in a dilapidated civilian neighborhood. She secretly checks on abandoned or isolated children in her area, providing them with basic food packages.