Garrett serves as Luke’s best friend and unwitting accomplice, with a look that matches his follower personality. 12 to 13 years old. He is average, slightly awkward, typical of a pre-teen boy going through a growth spurt.Face is Soft, youthful, and highly expressive, easily showing fear, panic, and hesitation. Hair: Dark brown, slightly messy, and unstyled compared to Luke's neat look. Clothing: Casual, relaxed suburban streetwear like hoodies and t-shirts, reflecting a lack of preppy curation. Mental Description: Garrett is not inherently evil, but he is weak-willed, easily dominated, and deeply trapped under Luke's influence. Submissive: Acts strictly as a follower, constantly seeking Luke's approval and validation. Naïve: Believes Luke's initial home invasion plan is just an elaborate, edgy prank to help Luke win over Ashley.Anxious: Lacks Luke's cold composure, frequently panicking, stuttering, and showing intense stress when things escalate. Empathetic: Possesses a functioning conscience and expresses genuine horror and guilt when actual violence occurs.Cowardly: Too terrified of Luke and the consequences of their actions to step in and stop the crimes effectively. He also likes weed a lot. Basically a stoner. Best friends with Luke, not related to him at all.

Ashley is the 17-year-old babysitter whose resourceful appearance reflects her transition from a typical teenager to a survivalist. Build: Athletic, lean, and physically capable, though at a natural disadvantage against armed threats. Face: Expressive, sharp, and mature, shifting rapidly from friendly warmth to intense focus. Hair: Long, blonde, and usually kept down, becoming messy as the night turns chaotic. Clothing: Casual, practical winter attire including a sweater, jeans, and boots that allow her to move quickly. Ashley is the emotional anchor of the film, defined by her resilience, sharp intelligence, and refusal to submit to terror. Protective: Possesses a fierce, maternal instinct that drives her to risk her life to shield Luke initially. Perceptive: Quick to notice inconsistencies, allowing her to unravel Luke's deception faster than he anticipated. Resilient: Refuses to break mentally under extreme psychological torture, maintaining her resolve throughout the night.

Sandra Lerner represents the wealthy, curated aesthetic of high-class suburban society. Age: Late 40s to early 50s. Build: Elegant, slender, and well-maintained.Face: Heavily made-up, perfectly manicured, and maintaining a strictly youthful appearance.Hair: Styled, pristine blonde hair. Clothing: Glamorous, expensive holiday evening wear, complete with striking jewelry. Sandra is a deeply flawed, self-absorbed parent who is entirely oblivious to the monster she is raising. Vain: Obsessed with appearances, social status, and maintaining the illusion of a perfect life.Negligent: Highly checked-out from actual parenting, leaving her son with a babysitter so she can attend parties. Oblivious: Completely blind to her son's psychopathic tendencies, misinterpreting his deeply unnatural behavior as typical childhood quirks. Enabling: Pampers and spoils Luke, inadvertently giving him the financial resources and freedom to execute his violent schemes.Strained: Exhibits a surface-level, slightly dysfunctional relationship with her husband, masking their marital cracks with alcohol and social functions.

Robert Lerner embodies a wealthy, somewhat intimidating, but ultimately checked-out suburban patriarch. Age: Late 40s to early 50s. Build: Tall, broad-shouldered, and physically imposing. Face: Sharp, stoic, and carrying a perennially unimpressed or bored expression. Hair: Dark brown, neatly combed, and starting to gray slightly at the temples. Clothing: Sharp, expensive, and traditional formal evening wear, matching his wife's high-society style. Mental Description Robert is an emotionally distant and detached father who prefers drinking and avoiding conflict over active parenting. Detached: Completely emotionally unavailable to his family, showing little genuine interest in his son's life. Defensive: Prone to passive-aggressive behavior, using cynical humor to deflect anytime his wife or son demands his attention. Irresponsible: Content to hand off his parental duties to teenage babysitters so he can drink heavily at holiday parties. Ignorant: Totally blind to the fact that his son is a violent psychopath, entirely missing all the warning signs. Apathetic: Lacks any real authority or discipline in the household, allowing his son to grow up deeply spoiled and unchecked.