Naomi is a former doctor who left her practice to be a stay-at-home mother in an affluent Long Island suburb. She is deeply devoted to her five-year-old son, Teddy. When her husband abruptly demands a divorce and locks her out of their home, Naomi faces isolation and financial ruin. She turns to alternative spiritual practices, such as collecting crystals, to manage her anxiety while fighting aggressively for her maternal rights.

Jeremy is a wealthy, charismatic hedge-fund manager living a polished suburban lifestyle on Long Island. He leverages his financial power and social connections to dictate the terms of his separation from Naomi. He maintains a calm, collected exterior that effectively masks a calculating nature, frequently using his resources to control domestic and legal situations.

Veronica is a 28-year-old woman who recently entered Jeremy's life. She drives a modest beige Jetta, which marks her as an outsider in the highly affluent Long Island community. Her rapid integration into Jeremy's routine immediately escalates the tension in the Roths' divorce proceedings, drawing intense scrutiny and suspicion from Naomi.

Teddy is a five-year-old boy caught in the middle of a bitter custody dispute. He loves his parents and struggles to understand the sudden changes in his living arrangements, frequently asking questions about the separation. He is highly observant of household routines and is deeply affected by the escalating hostility around him.

Ezra is a quirky, disheveled, but brilliant local attorney. He stands out from the typical high-powered Long Island lawyers by working out of a messy office and driving a beat-up car. He shows genuine empathy for Naomi's situation and agrees to take her case despite her lack of immediate funds, offering practical legal strategies against aggressive opposition.

Cora is a divorced mother whose own marital split caused her to be socially excluded by the wealthy school community. She steps in to offer Naomi practical advice and legal recommendations when the other parents turn away. She provides a cynical but realistic perspective on suburban social warfare and the legal system.

Clay is a man from a wealthy family who becomes estranged after a skiing accident leaves him addicted to opioids. He lives in St. Louis and struggles with the severe, daily consequences of his substance use. His chaotic lifestyle frequently brings him into contact with law enforcement and creates a cycle of negligence.

Lorraine is Naomi's mother, residing in St. Louis. She has survived three divorces of her own and holds a highly cynical view of marriage. She offers her daughter blunt, paranoid advice about relationship power dynamics over the phone, encouraging Naomi to take an aggressive stance against her husband.

Rosita is the Roth family's nanny and housekeeper. Though initially hired by Naomi, her employment and loyalty become tied to Jeremy as he takes total control of the household finances. She finds herself awkwardly positioned in the middle of her employers' escalating hostility, ultimately acting out of self-preservation.

Leonard is a top-tier, highly expensive divorce lawyer on Long Island. He represents Jeremy during the initial stages of the separation. He is aggressive, highly competent, and perfectly suited to execute calculating legal strategies in formal mediation sessions.

Stefanie is a highly successful and sought-after attorney who previously handled Cora's divorce. She acts as a crucial bridge for Naomi, making phone calls on her behalf to find alternative representation when conflicts of interest block her own involvement.

Ashlyn is a wealthy mother in the local kindergarten community. She is heavily invested in neighborhood gossip and quickly grows suspicious of the cover stories Naomi tells at the school pick-up line, representing the judgmental nature of the suburban social circle.

Cheryl is another parent at Teddy's school who actively participates in the local social scene. She witnesses public moments of humiliation during the divorce proceedings, reflecting the community's tendency to watch rather than assist during a crisis.

Maxim is a wealthy resident of Scarsdale who previously hired domestic staff for his large estate. Details about his household provide background context during an investigation into local employees.

Rhona is Maxim's wife, a wealthy woman living in Scarsdale. She experienced a severe fall down a set of stairs, an incident that sparked dark rumors among her household staff regarding the true nature of the accident.

Lola is a resident of St. Louis who works in a local records office. She acts as an outside contact, communicating via text messages and uncovering background information from municipal documents.

Alana is the professional mediator assigned to manage the Roths' divorce proceedings. She attempts to maintain order in the conference room as both sides launch aggressive legal demands and personal accusations.

Officer Grenell is a dismissive law enforcement official who responds to distress calls in St. Louis. He relies heavily on immediate visual judgments and class prejudices, prioritizing drug arrests over investigating complex domestic emergencies.

Zack is a kindergartener who attends the same school as Teddy. He is unaware of the social tensions surrounding his mother and provides a simple, friendly distraction for his classmates during stressful public events.