Jess is the newly appointed head of housekeeping for Island Home, filling in during the resort's high-stakes launch weekend. She is highly organized and views her demanding job as a series of problems to solve. While she ensures the guests' extravagant requests are met, she harbors a deep-seated grievance against the celebrity class, particularly Jackson Crane, who was involved in a car accident that permanently altered her family's lives.

Annie serves as the head of membership for the Home Group, operating in a hybrid role as a fixer, employee, and confidant to the rich and famous. Known for her theatrical outfits and large personality, she carefully curates the guest list and caters to the elite. A former journalist, she left her career to immerse herself in the celebrity world but increasingly resents the lack of recognition for her indispensable labor.

Nikki is Ned Groom’s personal assistant and a former model who has worked for the Home Group since she was a teenager. Soft-spoken and accommodating, she considers herself part of the Home family and generally handles Ned's volatile temper with practiced ease. Beneath her modest exterior, she carries the emotional weight of a difficult childhood and a traumatic encounter from her early days working at the London club.

Adam is the director of special projects for the Home Group and the younger brother of its founder, Ned. Having spent years in his brother's shadow, Adam struggles with his identity and the morally questionable nature of the club's covert operations. Exhausted by the constant humiliation and demanding lifestyle, he enters the launch weekend intending to finally quit the family business.

Ned is the founder and owner of the Home Group, a conglomerate of luxury membership clubs catering to the elite. He is a perfectionist with a volatile temper who delights in exercising control over his employees and wealthy patrons. Beneath the veneer of hospitality, he uses hidden surveillance to gather secrets on his guests, ensuring their continued financial submission through calculated extortion.

Jackson is a massive movie star attending the launch weekend of Island Home. He struggles with severe alcohol addiction and expects the world to accommodate his erratic behavior without question. Despite his charm on screen, his private life is messy, and he carries the heavy burden of a fatal drunk-driving accident that he desperately tries to keep hidden from the public eye.

Keith is a renowned and provocative artist known for his photographic collages of headless, nude women. He projects a rebellious attitude and uses his wealth and status to operate without consequences. His artistic philosophies mask deeply predatory behavior, making him a prime target for the Home Group's surveillance and extortion operations.

Freddie is a popular late-night talk show host attending the exclusive launch. While he presents a friendly and affable image on television, he secretly mocks his celebrity peers and sells their private stories to the tabloids. He lacks the extreme wealth of his fellow guests, making him particularly vulnerable to financial pressure.

Kurt is an up-and-coming film producer and the son of legendary Hollywood figures. Modest and boyish despite his recent string of massive industry successes, he stands apart from the more cynical celebrities at the launch. He is fiercely proud of his family legacy, though he remains unaware of the darker secrets surrounding his father.

Georgia is an actress and the wife of movie star Jackson Crane. Their marriage appears strained, characterized by emotional distance and separate quarters during their stay at the resort. She maintains a poised exterior while dealing with her husband's infidelities and destructive substance abuse.

Ron is a celebrated, older Hollywood director and the father of Kurt Cox. Currently suffering from dementia, his legacy is polished and revered by the public and his children. However, his past is marked by open marriages and predatory relationships with young women, facilitated by those seeking to gain leverage over him.

Kyra is a formerly massive British pop star whose career was destroyed by a highly publicized infidelity scandal years ago. Once an A-list celebrity who commanded automatic invitations to exclusive events, she now tags along with friends to maintain access to high society. She brings her young daughter along to the launch weekend.

Lyra is Kyra Highway's young daughter, an underaged guest at the adult-only Island Home. Accustomed to the luxury lifestyle of a celebrity child, she is well-traveled and confident, casually ordering expensive room service and interacting with famous guests without hesitation.

Laura is Adam Groom's wife. Recognizing the toxic influence that Ned exerts over her husband, she issues an ultimatum demanding that Adam leave his job at the Home Group. She serves as his sole source of genuine support and encourages him to find his own identity away from his brother's shadow.

Lily is a successful celebrity model who started her career around the same time as Nikki Hayes. She treats others with disdain and represents the superficial, competitive nature of the fame industry that Nikki ultimately avoided by taking an administrative job.

Marianne is a celebrated actress and the late wife of Ron Cox. She gave up her performing career to raise a family of six children, choosing to provide a stable home life and never distinguishing between her biological and adopted kids.