Lee Jung-jae (Korean: 이정재; born December 15, 1972) is a South Korean actor and filmmaker. Considered one of the most successful actors in South Korea, he has received various accolades, including a Primetime Emmy Award, a Screen Actors Guild Award, a Critics' Choice Television Award, six Baeksang Arts Awards, in addition to nominations for a Golden Globe Award and a Gotham Award. Aside from his acting career, Lee is also a businessman, having launched a chain of restaurants in Seoul, as well as founding several businesses including the development company Seorim C&D. He owns several of his businesses with fellow actor and close friend Jung Woo-sung.
Born in Seoul, Lee debuted as a fashion model, then began his acting career on television, notably in the campus series Feelings (1994) and the drama Sandglass (1995). After his acting breakthrough in An Affair (1998), Lee's film career took off. He has starred in a variety of film genres, among them romantic films such as Il Mare (2000) and Over the Rainbow (2002), the Dogme 95 film Interview (2000), the melodrama Last Present (2001), well-known comedies such as Oh! Brothers (2003), action films The Last Witness (2001) and Typhoon (2005), heist film The Thieves (2012), crime thriller New World (2013), and period film The Face Reader (2013). He won Best Actor awards at the Blue Dragon Film Awards for City of the Rising Sun (1999), at the Fantasporto Director's Week for The Housemaid (2010), and at the Buil Film Awards for Assassination (2015).
In 2021, Lee gained widespread international stardom and fame for his role as Seong Gi-hun, the main protagonist of Netflix's survival drama Squid Game. For his performance, he was nominated for numerous accolades, including the Critics' Choice Television Award for Best Actor in a Drama Series, the Golden Globe Award for Best Actor – Television Series Drama, the Primetime Emmy Award for Outstanding Lead Actor in a Drama Series and the Screen Actors Guild Award for Outstanding Performance by a Male Actor in a Drama Series, making him the first male actor from Asia and Korea to receive individual nominations in those categories across all four awards shows with his win for the latter two also making history. In December 2021, he was selected as Gallup Korea's Film Actor of the Year.