Blake is a 32-year-old marketing professional who recently purchased a brownstone on the Upper West Side. After unexpectedly losing his Vice President position at Coble & Roy, he struggles with financial insecurity and obsesses over maintaining his successful facade. He values wealth and social status, trying aggressively to distance himself from his working-class upbringing in Cleveland.

Krista is Blake's fiancée and the manager at a local dry cleaner. She tries to keep their household running smoothly after Blake loses his job, suggesting they rent out their spare room to pay the mortgage. She acts as a mediator when tensions rise in the brownstone, attempting to soothe Blake's growing frustrations while maintaining a polite relationship with their new roommate.

Whitney is a young woman who works as a server at a nearby Greek diner. She presents herself as friendly, normal, and eager to move into the brownstone after her previous apartment lease expires. Her casual boundaries regarding household items and shared spaces quickly become a source of friction with her new landlord.

Wayne is a senior executive at the marketing firm Coble & Roy. He mentored Blake for ten years before abruptly firing him over allegations of selling client information, effectively blackballing him in the marketing industry.

Stacie is an administrative assistant at Coble & Roy. She works directly for Wayne and is highly attentive to Blake, often acting flirtatiously toward him in the office.

Becky is Krista's loyal friend who frequently hosts dinners for their social circle. She closely observes Blake's obsessive behavior after his job loss and becomes highly protective of Krista's safety, offering her friend a place to stay when tensions peak.

Malcolm is Becky's husband and an employee at Coble & Roy. He assumes Blake's former position at the marketing firm, which causes awkwardness and tension during their social gatherings.

Blake's father is the pragmatic owner of a hardware store in Cleveland. He maintains a distant but caring relationship with his son, frequently encouraging Blake to leave the stress of Manhattan behind and return to his midwestern roots.

Mr. Zimmerly is an elderly neighbor living next to Blake's brownstone. He frequently instigates arguments over minor neighborhood issues, adding external stress to Blake's mounting daily frustrations.

Quillizabeth is an eccentric older woman who interviews for the spare bedroom. She claims to be a psychic, sprinkling salt across the doorway and leaving after delivering a disturbing warning about the brownstone's safety.

Kenny is Blake's manager at his temporary entry-level marketing job. He is dismissive and assigns menial tasks like fetching coffee, heavily bruising Blake's ego.

Goldy is Blake and Krista's pet goldfish. Blake takes meticulous care of her tank, viewing the routine as preparation for future parenting responsibilities.