2006–2015: Pre-debut Under the influence of his mother, Moonbin debuted as a child model and
ulzzang in 2004. His first known appearance was in 2006, where he appeared in
TVXQ's music video for their song "Balloons" portraying a mini
U-Know Yunho. In 2009, he had his first acting role in the Korean drama
Boys over Flowers where he played the younger version of
Kim Bum's character. Moonbin began his journey with
Fantagio as a trainee in fifth grade, eventually transitioning to a full-fledged trainee during his middle school years. He actively took part in the company's boy group project iTeen, and he was introduced through the Fantagio iTeen Photo Test Cut. Before his official debut with
Astro, Moonbin and his fellow group members starred in a web-drama titled "
To Be Continued".
2016–2022: Debut with Astro, solo activities, and unit debut Moonbin debuted as part of the six-member boy group Astro on February 23, 2016. Their debut
extended play,
Spring Up, contained five songs, including the lead single "Hide & Seek". In 2018, Moonbin joined the cast of
The Ultimate Watchlist of Latest Trends, participating in the first two seasons. The following year, he was cast in
Moments of Eighteen, where he played the character of Jung Oh-je. On November 12, 2019, Fantagio reported that for health reasons, Moonbin would be absent from Astro's upcoming promotions for their
Blue Flame EP release. He ended his hiatus in February 2020 after appearing in a
V Live broadcast with the other Astro members. He was announced as one of the new hosts of the South Korean music show
Show Champion, alongside his bandmate
Yoon San-ha and
Verivery's Kangmin. He was confirmed to play the lead role in the web-drama
The Mermaid Prince, a role which he reprised for a second season, and joined the eco-friendly cooking program
Food Avengers. In September 2020, Moonbin was announced as one of the fashion models for the brand Nerdy Cafe. He and band-mate Sanha (Yoon San-ha) debuted as Astro's first sub-unit
Moonbin & Sanha with the release of their debut EP,
In-Out, along with its lead single, "Bad Idea", on September 14. The unit received their first music show win from
The Show eight days later. Later that year, Moonbin was added as a cast member for the second season of
Coupang Play's
Saturday Night Live Korea. ==Death==