Yoon Ji-sung
Born: 1991-03-08 in Wonju, Gangwon, South Korea
Known For: Acting
Biography
Yoon Byung Ok, later legally changed to Yoon Ji Sung, is a South Korean singer, dancer, actor, and former member of WANNA ONE (워너원). He graduated from National Traditional Arts High School and later obtained a bachelor's degree in Theater and Film from Myongji College and a master's degree in Performing Arts from Dongguk University. Before debuting, he was a trainee at MMO Entertainment and served as a backup dancer of FIESTAR member Cao Lu. In mid-2017, he participated in the survival competition "Produce 101 Season 2" and managed to end up in 8th place, earning a spot in the resulting project group. He made his debut in August 2017 as WANNA ONE's leader and sub-vocalist with their first mini-album, "1X1=1 (To Be One)". The contract with Swing Entertainment (스윙엔터테인먼트) was made for one year and six months, so the group officially disbanded in January 2019 following their final concert performance. He made his debut as a solo artist in February 2019 with the mini-album "Aside". He then enlisted for his mandatory military service on May 14, 2019, and was discharged on December 13, 2020. After serving, he made his acting debut in November 2021 with a role in the SBS drama "Let Me Be Your Knight". He is now represented by Billions (빌리언스).
Filmography
2025
- Thundercloud Rainstorm as Lee Il-jo
2023
- The Seasons as Self
- Music in the Trip as [Team Senior]
2022
2021
- Let Me Be Your Knight as Kim Yoo-chan
- Idol Live Agent as Self
2018
2017
- Wanna One Go as Self
- Master Key as Self
- COMEBACK WANNA ONE : Nothing Without You
- Wanna City as Self
2016
- Produce 101 as Self
2015
- Men on a Mission as Self
2011
- Weekly Idol as Self
- SNL Korea as Self