Characters

A 24-year-old unemployed man who becomes the mastermind behind his family's infiltration of the wealthy Park household as an English tutor. Initially confident and strategic, he becomes increasingly obsessed and unhinged after a traumatic brain injury, eventually developing grandiose fantasies about rescuing his father.

A 41-year-old wealthy housewife who is naive and trusting, easily manipulated by the Kim family's deceptions. She becomes increasingly dependent on their services while remaining oblivious to their true nature, representing the privileged class's disconnect from reality.

A 49-year-old failed businessman who becomes the Park family's driver through his family's elaborate con. Initially passive and philosophical, he becomes increasingly humiliated by class differences and ultimately commits murder before retreating to live in the basement bunker.

A 23-year-old aspiring art student who becomes the Park family's art therapist through elaborate deception. Sharp-tongued and cynical, she displays remarkable acting skills and technical prowess in forgery, but ultimately becomes a victim of the violent climax.

A 49-year-old former athlete turned housekeeper who shows fierce determination and physical prowess. Initially skeptical of her family's schemes, she becomes protective and violent when threatened, ultimately surviving the climactic massacre.

A 45-year-old tech CEO who maintains rigid class boundaries despite appearing friendly. He unconsciously demeans the poor through comments about smell and behavior, ultimately becoming a murder victim when his disgust triggers Ki-Tek's violent rage.

A 45-year-old former housekeeper who harbors her fugitive husband in the mansion's secret bunker. Desperate and cunning, she attempts to blackmail the Kim family but ultimately becomes another victim of the escalating violence.

A teenage high school student who becomes romantically involved with Ki-Woo. Initially suspicious and perceptive, she develops genuine feelings for her tutor, remaining unaware of the deception until the violent climax.

A 45-year-old failed businessman hiding in the basement bunker for over four years after loan shark threats. Mentally deteriorated from isolation, he becomes violently unhinged and triggers the climactic massacre at the birthday party.

A 24-year-old wealthy college student and Ki-Woo's friend who unwittingly enables the family's infiltration by recommending Ki-Woo as a tutor. He represents the privileged class's casual generosity that masks deeper inequalities.

A 10-year-old boy obsessed with Native American culture and camping, who suffered childhood trauma from seeing the basement dweller. His acute sense of smell and artistic abilities make him both perceptive and vulnerable.

A quirky business owner who employs the Kim family for folding pizza boxes but cuts their pay due to poor quality work. She represents the petty exploitation of the working class by small business owners.

A 31-year-old driver who loses his job with the Parks after being framed by the Kim family's planted underwear scheme. He becomes an early victim of their systematic takeover of the household staff positions.