In 2001, at the age of 19, Lee made his acting debut win the short film Good Romance, directed by filmmaker Leesong Hee-il.
Lee entered Suwon Science College as a Broadcasting major, and he performed numerous times on stage while at university.
Upon his discharge from mandatory military service, Leesong Hee-il again cast Lee, this time in the leading role in the indie feature No Regret.
An attempt to realistically portray the lifestyle of a young gay man working in the host club industry, No Regret became a ground-breaking film in Korean queer cinema.
[5] Lee continues to star in independent films, including romance drama Ride Away and hip hop-themed The Beat Goes On.