Avery is a 17-year-old girl who unexpectedly inherited the massive Hawthorne fortune. She currently lives in Hawthorne House to fulfill the one-year residency requirement of the will. She is grounded, protective of her loved ones, and inherently suspicious of the wealthy elite's motives. She frequently engages with the complex puzzles left behind by her benefactor.

Vincent is an extremely wealthy billionaire and former business rival of Tobias Hawthorne. He commands his family and business empire with strict authority, utilizing his immense resources to control those around him. He operates under a rigid, old-fashioned code of honor, even when acting ruthlessly.

Tobias is the deceased patriarch of the Hawthorne family who built a massive empire through shrewd and sometimes ruthless business practices. Even after his death, he exerts immense control over his family and Avery through a series of elaborate puzzles, clues, and legal stipulations. He prioritized winning and empire-building above almost all else.

Evelyn, who goes by "Eve," is the hidden daughter of Tobias Hawthorne II. She has lived a life insulated from the Hawthorne family's wealth, resulting in a fractured sense of belonging. She bears a striking physical resemblance to the deceased Emily Laughlin, which heavily impacts the Hawthorne residents upon her arrival.

Jameson is one of the four Hawthorne grandsons. He thrives on risk, adrenaline, and solving his grandfather's intricate puzzles. He is deeply committed to Avery, though he occasionally struggles with insecurity regarding her lingering connection to his brother Grayson.

Grayson is the former heir-apparent to the Hawthorne fortune. He is stoic, responsible, and carries a heavy burden of guilt over past family tragedies. He struggles to reconcile the loving image of his grandfather with the ruthless businessman Tobias truly was, and he finds his emotional control tested by Evelyn's arrival.

Xander is the youngest Hawthorne grandson. He is mechanically gifted, endlessly curious, and often uses humor to defuse tense situations within his family. He frequently builds machines and robots, standing slightly apart from his brothers due to his unique interests and background.

Nash is the oldest Hawthorne grandson. He distances himself from his grandfather's immense wealth and corporate legacy, preferring a simpler life. He views himself as the family protector and often works to save people from the corrupting influence of the Hawthorne empire.

Toby is the secretly adopted son of Tobias Hawthorne. He spent years living off the grid under the alias "Harry" to escape his family's toxic legacy and his own past mistakes. He deeply distrusts the Hawthorne fortune and intentionally hid his existence to protect those he loves.

Libby is Avery's optimistic and caring older sister. She provides a sense of normalcy and family stability during the chaos of the Hawthorne estate. She actively helps Avery decipher puzzles while maintaining her own passions, such as baking and running a food truck.

Max is Avery's fiercely loyal best friend. She frequently visits the Hawthorne estate but maintains her own life at college. She provides Avery with sharp, unfiltered advice and a crucial tether to the world outside the billionaire lifestyle.

Alisa is Avery's dedicated lawyer and public relations manager. She is highly professional and constantly worries about optics, working tirelessly to maintain Avery's public image as the perfect "Cinderella" story while managing the fallout of various Hawthorne scandals.

Oren is the head of Avery's personal security detail. He takes his job extremely seriously, constantly monitoring the estate for threats and investigating anyone who attempts to breach Avery's inner circle.

Mallory is the daughter of the Hawthorne House groundskeeper and housekeeper. She carries profound trauma from her past and struggles heavily with the memories of her deceased daughter, Emily. Her fragile emotional state makes her highly vulnerable to those who remind her of the past.

Rebecca is Mallory's surviving daughter. She grew up in Hawthorne House alongside the grandsons and continuously struggles to step out of the shadow of her deceased sister, Emily. She finds Evelyn's sudden appearance at the estate deeply distressing.

Thea is a cousin to the Hawthorne grandsons. She spends time at the estate and often acts as a stabilizing presence for Rebecca, helping her manage the emotional turmoil caused by Evelyn's arrival.

Skye is the mother of the four Hawthorne grandsons. She recently stepped back from the massive Hawthorne legacy to maintain a smaller, more controllable portion of wealth. She has a detached, often resentful relationship with her sons, viewing them largely as pawns in her father's grand schemes.

Isaiah is a PhD student turned mechanic who was once fired from a Hawthorne lab. He lives a quiet, working-class life away from the billionaire drama, though he holds lingering connections to powerful families in Texas.

William, who often went by "Liam," is the son of billionaire Vincent Blake. He vanished decades ago after attempting to infiltrate the Hawthorne estate to find leverage against Tobias. His disappearance remains a central mystery that drives much of the current conflict.

Zara is Tobias's daughter and Skye's sister. She is deeply entrenched in the Hawthorne family's pursuit of wealth and status, often prioritizing the family legacy over interpersonal connections.

Nan is Tobias Hawthorne's mother-in-law. She resides comfortably within the family's sphere of wealth and possesses a sharp, unvarnished memory of Tobias's early days building his empire, offering a blunt perspective on his ruthless methods.

Mr. Laughlin works as the long-time groundskeeper for the Hawthorne estate. He is a quiet, steady presence who strictly adheres to Tobias's orders and fiercely guards the secrets surrounding his family.

Mrs. Laughlin serves as the head housekeeper of the Hawthorne estate. She manages the massive property with strict efficiency while helping to manage her daughter Mallory's fragile emotional state.