
Kim Se-jeong
Biography
Sejeong (세정) is a South Korean singer-songwriter and actress signed under Jellyfish Entertainment. After coming into prominence as the runner-up on the hit idol competition show “Produce 101,” she debuted in 2016 as a solo artist and member of now-disbanded girl groups I.O.I and Gugudan. In 2017, she was cast in her first leading drama role in KBS’s “School 2017.”
Gallery






Known For
Acting History
2025
Moon River as Park Dal-yi
2024Brewing Love as Chae Yong-ju
2023Universe Ticket as Unicorn
2023MONSTOP Travel Agency as self (KIM SEJEONG)
2023The Seasons as Self
2022Office Romance Recipe as Rani
2022SEOUL FESTA 2022 K-POP SUPER LIVE as MC
2022Today's Webtoon as Oh Ma-Eum
2022Business Proposal as Shin Ha-ri
2022Lee Mujin Service as Guest
2021I.5.I - Yes, I Love It! as Sejeong
2021Hurrah for Independence as Self
2021The Uncanny Return
2020The Uncanny Counter as Do Ha-na
2020IU's Palette as Self - Guest
2020Clean Cam
2019I Wanna Hear Your Song as Hong Yi-Young
2019Where Is My Home
2019Prison Life of Fools as Herself
2018Big Picture Family
2018Galileo: Awakened Universe
2018Idol Room as Herself
2018Busted! as Kim Se-jeong
2018Amazing Saturday as Self
2018마이박스
2018Baek Jong-won's Alley Restaurant as Self
2017Salty Tour as Self (Sejeong)
2017Master Key
2017School 2017 as Ra Eun-Ho
2017I.O.I - "Time Slip" Concert as Sejeong
2016Gugudan Project: Extreme School Trip as Herself
2016The Sound of Your Heart as Woman next door in Room 205
2016Let's Eat Dinner Together as Herself
2016What Are Gugudan Doing? as Kim Se-jeong
2016어서옵SHOW
2016Standby I.O.I as Kim Se-jeong
2016Produce 101 as Herself
2016Produce 101 as Contestant
2015Men on a Mission as Self
2015Two Yoo Project - Sugar Man as Herself
2013Home Alone as Self
2011K-pop Star as Self - Contestant
2011SNL Korea as Self
2011Law of the Jungle
2010Running Man
2009You Hee-yeol's Sketchbook as Self
2001MBC Entertainment Awards as Self - MC









