Ted is an investment banker of middling talent who has secretly squandered his inheritance on a disastrous stock market gamble. To fund his losses, he borrowed heavily from a private lender and used his Porsche as collateral. Driven by a desperate need to maintain his luxurious lifestyle and terrified of disappointing his wife, he formulates a dark, violent solution to his money problems by targeting his wealthy older brother.

Jill works part-time at an art gallery and deeply cherishes her curated, luxurious lifestyle. Upon discovering her husband's financial ruin, she outright refuses to sell their beloved home. She displays a pragmatic ambition that matches Ted's entitlement, quickly becoming a resolute and active co-conspirator in a deadly plot to secure their future.

Ted's wealthy older brother made a massive fortune as an entrepreneur and shrewd investor. Worth approximately $45 million, he owns a luxurious condo and a sailboat. He is arrogant and frequently belittles Ted, outright refusing to provide a loan to save his brother from ruin.

An investigator for the Coast Guard Investigative Service. Coming from a working-class background in Queens, he possesses an innate distrust of generational wealth. He immediately notices inconsistencies in the Westcotts' polished stories and uses psychological pressure to try and unearth the truth about what happened at sea.

Jill's long-time best friend who lives nearby in a luxurious Brooklyn neighborhood. She initially offers support following the incident but slowly develops doubts as the circumstances surrounding the Westcotts grow increasingly suspicious and Agent Ramirez begins asking questions.

A convicted felon and former colleague of Ted in the financial sector. He reenters Ted's life opportunistically, looking to pitch dubious investments once he hears workplace rumors about a massive inheritance coming Ted's way.

The Westcotts' hardworking Russian immigrant cleaning lady. She has regular access to their private spaces and harbors growing worries about her own son's aimless behavior and his unhealthy interest in her wealthy employers.

A friend of Nadya's son, Peter. He possesses technical skills and collaborates with Peter in scheming to exploit the vulnerabilities of affluent households for financial gain.

Lara's husband, characterized by his straightforward decency. He represents a stable, principled life and finds it completely impossible to believe his close friends could be involved in anything sinister, even when confronted by law enforcement.

Greg's ex-wife, who lost a significant amount of money following a bad investment tip from Ted. She carries deep resentment toward the Westcott brothers and maintains a cold distance from her former husband's estate.

Nadya's aimless young adult son who shows an unhealthy interest in his mother's wealthy employers. He pressures her to steal from the Westcotts to secure their own financial future, seeing their massive wealth as an unearned privilege.

Minerva's boyfriend. He is a design engineer with advanced technical expertise regarding security systems and cameras, making him a person of interest as the plot surrounding the Westcotts thickens.