Lee Joon-hyuk made his entertainment debut in 2006 (January 20) by appearing in a music video by hip hop band Typhoon.

[3][4] Lee rise to popularity with his starring roles in Three Brothers (2009),[5][6] I Am Legend (2010), City Hunter (2011),[7] and Man from the Equator (2012).

[8] In 2011, Lee appeared in Carried by the Wind, a reality show that aired as part of Sunday Night in which several male celebrities go on a road trip in the United States to learn about music.

[9] He also expanded his Korean Wave fan base by starring in the Chinese television drama Half a Fairytale in 2012.

He was awarded this title for his generous donation of his full fee from Naked Fireman drama to 'South Korea Fire Service' and appearing in two firefighting-related projects.