Rachel is a 32-year-old professor of economics at New York University. Born in China and raised in the United States by a single mother, she is practical, grounded, and unimpressed by extravagant displays of wealth. Having recently discovered her biological father is alive, she travels to China to seek him out and build a relationship. She values honesty and hard work over net worth, often feeling overwhelmed by the extreme spending habits of the Asian elite.

Nick is a history professor at New York University and the heir to a massive Singaporean fortune. He distances himself from his family's wealth and social expectations to live a normal life with Rachel. He is sensible and deeply devoted to his wife, rejecting the manipulative tactics of his elite relatives who wish to control his future.

Carlton is the reckless, early-twenties son of a prominent Chinese politician and a pharmaceutical billionaire. He grew up with immense privilege and little discipline. He harbors deep guilt over a fatal street-racing accident and struggles to find purpose beyond fast cars and his parents' high expectations.

Astrid is Nick's beautiful, elegant cousin who comes from one of Singapore's most established families. She possesses an encyclopedic knowledge of art and vintage fashion. She desperately tries to support her husband through his sudden financial success, despite his growing arrogance and cruelty toward her and their son.

Colette is the 23-year-old daughter of a Chinese billionaire and an influential fashion icon with millions of social media followers. She micromanages her public image and surrounds herself with luxury. She demands absolute perfection from her staff and friends, often reacting poorly when she does not get her way.

Kitty is a former soap opera actress who married into a billionaire family and now attempts to break into Hong Kong's exclusive high society. Raised in a poor village, she lacks the subtle manners of old money and tries to buy her way into elite circles through aggressive spending. She enlists a consultant to completely overhaul her appearance and habits.

Eleanor is Nick's intelligent and highly calculating mother. She operates within the strict, traditional rules of Singapore's upper crust and constantly maneuvers to secure her son's inheritance. Upon learning that Rachel's father is a powerful and wealthy politician, she abruptly changes her tune regarding her new daughter-in-law.

Corinna is a well-connected member of Hong Kong's old-money establishment who works as an advisor to the newly wealthy. She teaches ambitious social climbers the unspoken rules of etiquette, fashion, and discretion. She takes on the difficult task of transforming Kitty's vulgar public image into one of cultured elegance.

Edison is a Hong Kong financial consultant and Nick's deeply status-obsessed cousin. He strictly organizes his life around luxury brands and expects absolute perfection from his environment. He constantly seeks validation from wealthier peers and is easily flustered when reality fails to match his carefully constructed image.

Michael is Astrid's husband, a former military man who recently sold his tech startup for an enormous sum. His new wealth makes him arrogant and vindictive, prioritizing his public image over his family's well-being. He lashes out at his wife and son out of a deep-seated insecurity regarding his former lack of status.

Charlie is a highly successful tech billionaire and Astrid's former fiancé. Unlike the status-obsessed elite, he is grounded, supportive, and unpretentious. He remains deeply in love with Astrid and quietly uses his immense resources to support her from afar while navigating his own unhappy marriage.

Gaoliang is a top Chinese politician and Rachel's biological father, formerly known as Kao Wei. He is a busy, powerful man who balances his demanding career with the stress of his son's reckless behavior. He seeks to build a connection with Rachel despite the complications it causes within his current household.

Shaoyen is a highly ambitious businesswoman who helped build her husband's pharmaceutical empire. She is fiercely protective of her son, Carlton, and will spend any amount of money to fix his mistakes. She actively avoids Rachel out of fear that an illegitimate child will ruin her husband's political career.

Jack is a self-made Chinese billionaire and one of the richest men in the country. He grew up as the son of a fisherman and retains blunt, unpretentious manners that frustrate his fashion-conscious daughter. He freely uses his massive fortune to fund the lavish lifestyles of the women in his life.

Peik Lin is Rachel's outspoken and supportive college best friend. She provides a practical, humorous perspective on the extreme wealth of the people they encounter. She takes immediate charge when Rachel falls mysteriously ill during their vacation.

Roxanne is Colette's fiercely loyal personal assistant. She handles every detail of Colette's demanding schedule, from social media posts to travel logistics, taking it upon herself to eliminate any sources of distress for her employer.

Bernard is Kitty's billionaire husband who completely withdrew from public life following a botched plastic surgery. Formerly a reckless playboy, he has reinvented himself as an intense, overly controlling parent who structures every second of his young daughter's life with organic diets and developmental therapies.

Su Yi is Nick's powerful, traditional grandmother who controls the family's immense fortune and properties. She holds strict views on social class and family legacy, refusing to approve of Nick's marriage to a woman with an unknown background.

Kerry is Rachel's hardworking mother who immigrated to the United States to escape an abusive marriage. She keeps in regular touch with Eleanor to discuss their shared hope for grandchildren, bridging the gap between their different worlds.

Harry is Astrid's father, a highly private and influential man who despises public attention. He is fiercely protective of his daughter and grandson, holding deep contempt for his son-in-law's vulgar displays of wealth.

Jacqueline is a beautiful woman who lives adjacent to wealth as the mistress of a billionaire. She serves as an emissary for Nick's grandmother, trying to convince him to prioritize his inheritance over his marriage.

Colin is Nick's best friend and a grounded member of the super-rich. He enjoys a jet-setting lifestyle with his wife but prioritizes genuine relationships over status symbols.