Kim Sung-joo (entertainer)

Pre-debut

He joined YG Entertainment as a trainee. He was part of the original lineup for Winner, but that didn't work out. He's still close friends with Jinwoo and Seungyoon.

A new opportunity arose and he ended up joining Uniq, a Korean-Chinese group under Yuehua. He still continued to train at YG Entertainment since the two companies were collaborating with this new group. He trained for a total of 5 years before his official debut.^{[2][3][4][5][unreliable source?]}

2014: Career beginnings

Kim debuted in 2014 with the South Korean-Chinese boy band group Uniq with the song "Falling in Love".

Kim promoted with Uniq for a few years, where he landed his first acting role in 2016, together with his band mates in the Chinese film, MBA Partners, where Kim and Wang Yibo playing the lead roles, while Zhou Yixuan, Li Wenhan and Cho Seung-youn making cameos.^{[6][unreliable source?]}

Kim then starred in the Chinese drama, Magical Space-time before his second film in Kill Me Please.

2017: Rising popularity with supporting roles

Kim was cast in The Liar and His Lover where he played "Yoo Si-hyun", the leader and vocalist of the popular band "Crude Play" in the series. He also starred in the tvN's drama Live Up to Your Name.

In September 2018, it was reported that Kim would be joining MBC's drama, My Secret Terrius, where he will play Ra Do-woo, a genius hacker who is rebellious.^{[7][unreliable source?][8][unreliable source?]}

Kim enlisted for his mandatory military service on 9 March 2020.^{[9][unreliable source?]} Kim completed his military service and has been discharged as of 16 September 2021.^{[citation needed]}

solo single

other single

Film

Television series

Television shows