Lee Joon debuted as a member of Kpop boy band MBLAQ. The band saw success in the early 2010s with songs “Mona Lisa,” (2012) and “Stay,” (2011). Though the band has not officially disbanded, it has not been active since 2018. Lee made his acting debut in the MBC sitcom “Here He Comes,” in 2008. He has since then acted in dozens of dramas and films including Netflix’s “The Silent Sea,” (2021), tvN’s “Immortality,” (2021) and film “Lucky,” (2016).