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Guk Moon-kwang is the secondary antagonist of the 2019 Oscar-winning South Korean film Parasite. She was a housekeeper that was fired by the Kims before hiring Choong-sook, the wife of Ki-taek to take her place. 

She was portrayed by Lee Jung-eun.


After being accepted into the Park home, Kim Ki-jeong gets Mr. Park's driver fired and replaced with her "Uncle" Kim Ki-taek. After that, the Kims get Moon-kwang fired and Choong-sook employed in her place.

On the day after the Kims party, Moon-kwang rings the bell and asks to be let in, claiming that she comes to retrieve something in the basement. As the rest of the family hides, Choong-sook lets Moon-kwang in. In the basement, the former housekeeper opens a secret door to a bunker, where her husband Geun-sae has been hiding for 4 years to avoid the loan sharks.

As Choong-sook threatens to call the police, the rest of the Kims stumbled into view. Moon-kwang quickly captures the Parks' new driver and two tutors addressing each other as father and children. As she threatens to send the clip to the Parks, a fight ensues and the Kims subdues the couple.

The phone rings and they learn that because of heavy rain, the Parks have cancelled the camping trip and will be home soon. The Kims scrambled to confine Moon-kwang and Geun-sae, then clean up and hide, while Choong-sook makes ram-don as requested by Mrs. Park. Moon-kwang breaks free and runs up the basement stair into the kitchen, but Choong-sook kicks her back down, severely injuring her and causing her a commotion. Before expiring, Moon-kwang asks her husband to avenge her death and make the Kims pay for their actions. Geun-sae grieves over her dead body later. 

When Kim Ki-Taek is forced to take refuge in the house's bunker which is where Geun-sae had to live, he gave Moon-kwang's corpse a proper burial. 


  • Despite her antagonistic role, Guk Moon-kwang isn't considered a villain by director Bong Joon-ho according to an interview with Empire. In Joon-ho's words, there are no true antagonists in Parasite as every main character has sympathetic and unsympathetic qualities, especially the Kims and the Parks. For this wiki's sake and in general, however, Guk Moon-kwang is considered an antagonist, given her intent on exposing the Kims and prompting Geun-sae to avenge her death by any means.
    • However, in comparison to her husband, Guk Moon-kwang did nothing wrong aside hiding him on the Park household before she is fired by the Parks. Indeed, if the Kims hadn't enginereed her firing, Guk Moon-kwang would have likely never become an antagonist.
  • Though the scene where Choong-sook kicks Guk Moon-kwang down the stairs back into the bunker is considered by some as a funny gag, it's actually an allegory of their actions: Guk Moon-kwang just wants to climb the stairs to a better life like the Kims did but Choong-sook denies her the chance and knocks her down, not caring on the fatal damage they inflict to Guk Moon-kwang.