Strangers from Hell — Characters & Cast

To survive, make money, protect his relationship, and finish his novel—which eventually devolves into primal survival and sadistic vengeance.

Begins as an introverted, financially struggling aspiring writer attempting to endure harsh urban realities; under incessant external pressure and psychological torment, his internal defenses collapse, culminating in a descent into violent madness.

To deconstruct human psyche, foster true predatory nature, and achieve symbiotic union with a kindred soul.

A charismatic, fastidious dentist who leads a double life as the mastermind serial killer of Eden Gosiwon; rather than merely slaughtering Jong-woo, he treats him as a psychological sculpture, dismantling his moral inhibitions to craft his "masterpiece".

Financial greed, power over vulnerable tenants, and sustaining her grotesque "family".

Appears initially as a warm, maternal, albeit overly eccentric landlady; she is progressively revealed to be a cold-blooded murderer who collects insurance payouts and manages the killer household with cheerful pragmatism.

Duty, justice, and the desire to protect innocent victims.

A determined local police patrol officer who investigates missing persons and stray cat mutilations despite institutional indifference; she becomes the sole external figure to uncover the horrors of Eden Gosiwon and survive.