1. Lee Tae-sung is known for his roles in 26 Years Diary, Playful Kiss, Rooftop Prince and My Golden Life and is currently a cast member of the reality show My Little Old Boy.

1. Lee Tae-sung is known for his roles in 26 Years Diary, Playful Kiss, Rooftop Prince and My Golden Life and is currently a cast member of the reality show My Little Old Boy.
The elder of two sons, Lee was born and raised in Ansan, Gyeonggi Province.
Lee Tae-sung's younger brother is singer Sung Yu-bin, who is a member of the band BOB4.
Lee Tae-sung was a baseball player in his youth and had aspired to play professionally before constant injuries forced him to give up the sport during his senior year.
Lee Tae-sung graduated from Ansan Technical High School where he was schoolmates with St Louis Cardinals pitcher Kim Kwang-hyun.
Lee Tae-sung's first credited role was as baseball player Koo Chun-seo in the sports film Superstar Mr Gam.
Lee Tae-sung was cast in his first lead role in the 2005 film Blossom Again opposite veteran actress Kim Jung-eun and was nominated for Best New Actor at the Blue Dragon Film Awards and Baeksang Arts Awards.
Lee Tae-sung was cast in the second male lead role in the romantic comedy Two Outs in the Ninth Inning, in which he played a college baseball player aspiring to go professional.
Lee Tae-sung then starred in the KBS drama My Golden Life, which began airing in late 2017 and became a ratings hit domestically.
In December 2021, Lee Tae-sung released his first solo exhibition 'Lee Tae-sung Motion' and made his debut as a painter.
In June 2022, Lee Tae-sung will hold a second art exhibition, starting from June 21,2022, until July 20.
Lee Tae-sung played for the celebrity amateur baseball team Playboys, alongside the likes of fellow actors Kim Seung-woo and Yoon Hyun-min.
Lee Tae-sung secretly registered his marriage in April 2012 to his non-celebrity girlfriend.
Lee Tae-sung entered his mandatory military service on October 29,2013 at 32nd Division training camp in Gongju, South Chungcheong Province.