Lee Je-hoon (born July 4, 1984) is a South Korean actor. He started his career in indie films, then went on to appear in commercial films like The Front Line (2011), Architecture 101 (2012) and My Paparotti (2013), and television series like Fashion King (2012), Secret Door (2014), Signal (2016), Tomorrow, With You (2017), Where Stars Land (2018), Taxi Driver (2021), and Move to Heaven (2021). Career Beginnings When Lee Je-hoon realized that he wanted to go into acting, he dropped out of the Biotechnology major at Korea University and transferred to the School of Drama at Korea National University of Arts. From 2006 to 2010, Lee appeared in more than 18 student shorts and indie films, notably the queer coming-of-age romance Just Friends?. He also appeared as an extra in a number of commercial films, including erotic thriller The Servant and romantic comedy Finding Mr. Destiny. 2011–2012: Breakthrough Then Lee had his breakthrough in 2011. He received rave reviews for his performances as a manipulative alpha-male in the haunting indie Bleak Night, and as a morphine-addicted squad leader in big-budget war film The Front Line. He gained mainstream popularity as a shy college student pining for his first love in box-office hit Architecture 101, and though the television series Fashion King was poorly received, his role as a struggling young chaebol heir in Korea's fashion industry further showcased his versatility. Lee next starred opposite acclaimed veteran actor, Han Suk-kyu in the comedy-drama My Paparotti, which focuses on the special relationship between a high school gang member who dreams of becoming a singer like the late tenor Luciano Pavarotti, and the music teacher who helps him pursue his dream. He next starred in Ghost Sweepers, dubbed the character Jack Frost for the Korean release of 3D animated film Rise of the Guardians, and featured in the crime thriller An Ethics Lesson. 2012–present: Enlistment and return to acting For his comeback project after enlistment, Lee chose Secret Door, a period drama about Crown Prince Sado who was controversially executed through death by starvation by his father King Yeongjo; the series reunited him with Han Suk-kyu. This was followed by the Jo Sung-hee-directed film Phantom Detective, a modern retelling of the eponymous folk hero Hong Gil-dong as a private detective in the 1990s. In 2016, Lee starred in tvN's fantasy crime drama Signal together with Cho Jin-woong and Kim Hye-soo, which was