Lee Sun-kyun (March 2, 1975 – December 27, 2023) was a South Korean actor. He was best known for his roles in the films, Helpless (2012), romantic comedy All About My Wife (2012), and crime/black comedy A Hard Day (2014). He was also known for his role in the Bong Joon-ho's Academy Award-winning black comedy film Parasite for which he won a Screen Actors Guild Award along with his castmates. He received several other awards including nomination for an International Emmy Award.