A conservation architect in her early fifties who returns to her rural Australian hometown to start over after a painful divorce. She purchases her late uncle's estate, seeking a demanding physical project to occupy her mind. As she begins repairs, she experiences unsettling occurrences around the property and discovers an obscure mid-century novel that strangely mirrors her surroundings.

Fiona's reserved and anxious mother who lives on a nearby farm with her second husband, Alan. She maintains strict emotional boundaries with her daughter and harbors an intense, unexplained aversion to the Wurimbirra estate. She warns Fiona against restoring the house, fiercely guarding family lines and expressing a deep fear of disturbing the past.

Fiona's late uncle, a brilliant and eccentric novelist who died a decade ago. He was known for filling his niece's childhood with stories, though he completely neglected the physical upkeep of his grand estate. He stipulated in his will that the house should not be renovated, leaving behind a massive archive of correspondence.

A central character in the nested novel *The Midnight Estate*. She is a young housewife whose life is rigidly monitored and controlled by her authoritarian husband. Isolated from friends and living in constant anxiety over his strict rules, she struggles to survive her circumstances while maintaining a connection to her younger brother.

The protagonist of *The Midnight Estate*, a wealthy and observant American writer. He purchases a massive 19th-century Australian mansion to impress his new wife but struggles to balance his all-consuming writing career with his family life. While visiting California to settle his late mother's estate, he becomes a regular at a local diner.

A corrupt police deputy and Marie's husband in *The Midnight Estate*. Fifteen years older than his wife, he initially presented himself as a helpful authority figure after her parents' death before marrying her. He dominates his household through systematic psychological manipulation and strict rules.

A local veterinarian and Fiona's childhood friend who recently returned to Forbes to care for his ailing father. Having experienced his own divorce, he provides a stable, nonjudgmental source of support for Fiona and helps her deal with the local wildlife around the estate.

Fiona's cousin and best friend, who inherited Wurimbirra from his father, Taddeus. He wants absolutely nothing to do with the estate, insisting the property is haunted. He works as a writer and supports Fiona from a distance, refusing to visit the house himself.

Silas's Australian wife in the nested novel. She grows deeply lonely living in the isolated mansion while her husband remains absorbed in his writing. Feeling that he is emotionally distant and only a part-time spouse, she eventually moves out to live with her mother.

Marie's 17-year-old younger brother in *The Midnight Estate*. After their parents died, he briefly lived with Marie and Rupert before dropping out of school and moving into his own apartment. He frequently dismisses his sister's concerns, aligning himself with his brother-in-law's authority.

Silas's older sister who feels abandoned when he relocates across the world. Years later, she sends a telegram calling him back to California due to their mother's illness, but falls into a severe diabetic coma before they can reconcile.

Silas and Christine's young son in the nested novel. He splits his time between his parents after they separate, experiencing the fallout of his father's intense focus on his writing career.

Ginny's second husband and Fiona's stepfather. He lives on a local farm with Ginny and offers a polite, practical presence when discussing the overwhelming task of cleaning and maintaining the Wurimbirra estate.

Fiona's ex-husband who recently dismantled their life together. He abandoned their marriage for their mutual best friend, effectively forcing Fiona out of the architectural firm they co-founded.

Fiona's former best friend and business partner at their architectural firm. Her affair with Lucas precipitates Fiona's sudden departure from her established life and career.

The observant owner of the local diner in California. She attempts to warn Marie about the bad crowd her brother is falling into and later confirms Silas's suspicions about the dangerous nature of Marie's husband.

A local council officer in Forbes. She responds to an anonymous tip claiming that Fiona plans to illegally disturb the historic graves on the estate property, quickly dismissing the report upon inspecting the overgrown yard.

The owner of the local bookstore and cafe in Forbes. She hired Fiona as a teenager when the store first opened and currently hosts a structured, silent reader's group that provides a comforting communal space.

A former deputy police chief whose name surfaces in old newspaper clippings hidden in the Wurimbirra estate. The articles detail his mysterious disappearance and name him as a suspect in a previous murder, raising unsettling questions for Fiona.

A 19th-century historical figure who previously owned the estate land. He committed a horrific massacre against the local Wiradjuri people by poisoning a waterhole and was subsequently disowned by his parents.

A young backpacker staying on Ginny's farm with her boyfriend. She is sent by Ginny to help clean Wurimbirra, inadvertently helping Fiona when she gets trapped in a storage room.

Tad's literary agent who confirms the true origins of *The Midnight Estate*. She holds the records of his strict publishing demands and provides crucial context about his final project.

Tad's ex-wife who left him due to his obsessive dedication to his writing. Her departure deeply impacted Tad and served as the direct inspiration for the character of Christine in his nested novel.

Marie and Rupert's elderly neighbor in California. He completely misses the signs of domestic abuse next door and dismisses Silas's concerns when approached for help.

A former friend of Marie who distances herself after Rupert manipulates the narrative. Rupert intimidates Donna's husband and claims Marie is having mental health issues, effectively neutralizing Donna as a source of support.

Fiona's eldest daughter who inadvertently informs Ginny about Fiona buying the Wurimbirra estate. Her slip of the tongue forces Fiona to deal with her mother's immediate, angry reaction.

Two stray cats, one black and one black-and-white, who find their way into the Wurimbirra estate through an old broken dog flap. They are responsible for a series of strange noises and broken glasses that initially terrify Fiona before she traps and adopts them.