Miles Fairchild is a troubled orphan living at Bly Manor after the deaths of his parents. Intelligent, manipulative, and emotionally unpredictable, Miles hides deep trauma beneath charm, sarcasm, and disturbing behavior. As the influence of Peter Quint tightens around him, Miles begins spiraling between vulnerability and cruelty, struggling to hold onto his identity while the house slowly corrupts him. Beneath the anger and unsettling behavior is a terrified boy desperate for love, protection, and escape from the damage already done to him

Hanna Fairchild is the 17-year-old older sister of Miles and Flora Fairchild, forced into a caretaker role after their parents’ deaths. Protective, emotionally exhausted, and fiercely loyal, Hanna spends most of her time trying to shield her siblings from the growing darkness inside Bly Manor. Unlike the adults around her, she knows the truth about Peter Quint and hates him with a burning obsession for what he did to Miles. As Miles begins slipping further under Quint’s influence, Hanna becomes increasingly desperate to save the little brother she remembers before the corruption consumed him. Beneath her composure is a grieving teenage girl slowly destroying herself trying to keep her family together while the house feeds on fear, guilt, and trauma

Flora Fairchild is a young orphan living at Bly Manor after the deaths of her parents. Sweet, imaginative, and strangely mature for her age, Flora copes with the horrors around her through fantasy, denial, and pretending everything is normal. Beneath her innocent behavior, she is deeply affected by the house and the lingering presence of the former caretakers haunting the estate. As fear and grief consume the people around her, Flora desperately clings to childhood innocence

Kate Mandell is a young governess hired to care for Miles and Flora Fairchild at Bly Manor after their parents’ deaths. Compassionate but emotionally fragile, Kate arrives hoping for a fresh start, only to become trapped inside the estate’s growing psychological and supernatural horror. As she witnesses disturbing behavior from Miles and terrifying apparitions throughout the house, Kate begins losing her grip on reality, struggling to separate genuine hauntings from her own trauma and paranoia. Isolated and overwhelmed, she becomes desperate to protect the children