Wealthy, naive businessman whose household is infiltrated by the Kim family.
He is the central protagonist, a genius brain scientist who remembers everything he sees. After his mother died in a hit-and-run accident during his childhood, he devoted himself to brain research. As an adult, he is asked to extract information from a suicide victim’s brain; the attempt changes his perceptions and behavior, leading him to investigate the case.
A fellow doctor who prioritizes patient well-being over hospital politics. His commitment to ethical care frequently puts him at odds with Jang Jun-hyeok and the established practices within the department.
A chef trained at a culinary school in Italy, Hyun-wook arrives at La Sfera and fires the female chefs, leaving Yoo-kyung as the last woman standing. He later reh hires her permanently after she wins a blind taste contest. He is Yoo-kyung's charismatic superior and love interest, and a rival of Oh Sae-young, his former partner.
Jo Pil-ho is an Ansan-based corrupt homicide detective whose money is trapped in a failed real estate deal. After a warehouse robbery kills his informant Han Gi-chul, he becomes entangled in a conspiracy involving Taesung Group. His pursuit of the evidence gradually turns into a violent attempt to expose its leaders and seek a form of redemption.
Soo-jin's husband, an actor who suffers from severe sleepwalking disorder. He exhibits violent nocturnal behaviors including screaming, scratching his face, eating raw meat, and putting their pet dog in the freezer. He is suspected of ghost possession and ultimately complies with his wife's demands.
A soldier in the platoon who is tragically killed when the possessed Jin Chang-rok attacks the group during the identity verification sequence.
The Joseon king and the investigation's central figure. He tests Yoon Yi-seo's memory, recruits him as a royal historian, and personally probes reports of supernatural creatures, hidden machines, and a conspiracy. When poisoned medicine causes a grave illness, his allies plan to give him an antidote and remove him from the palace.
Jingu is a struggling shorts director and former film-school student. In the present, he argues with Professor Song, faces questions about his past relationship with an actress, and says he has quit directing. Earlier, he persistently courts Oki, dates her, and becomes one of the two men in her story.
Yoon Ji-eui is the doctor who accompanies King and becomes Ahab’s essential medical ally inside the damaged bunker. He explains how to restore King’s heartbeat, gives his own blood when the blood pouches are destroyed, removes a bullet from Ahab’s thigh, and later helps Ahab survive the escape and fall from the plane.
A hotshot lawyer at a major law firm, Byeong Ho-sung boasts an almost perfect win rate and believes that winning defines justice. After Kim Jeong-hwan confesses during trial, Byeong is humiliated and accused of evidence tampering, then joins Jin Sun-mi to investigate the case and discovers clues connecting it to Moon Ji-hoon.
Jae-sin is shown committing a violent act by stabbing a female boss. This scene directly connects him to the film's unfolding pattern of brutality and murder, although the available excerpt does not establish his motive, his relationship with Kyung-ju, or whether he is the killer under investigation.
Lee Sun-kyun has 51 screen credits in a career dating back to 1995. Their work is anchored in the Bong Joon-ho Films universe with 1 titles. Signature works include Parasite, My Mister, Dr. Brain. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
Related entry on Wikidata (Q489681), public domain (CC0).
