Acting
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.”
Running Man
2010 · TV
Men on a Mission
2015 · TV
You Hee-yeol's Sketchbook
2009 · TV
Home Alone
2013 · TV
Amazing Saturday
2018 · TV
Law of the Jungle
2011 · TV
The Uncanny Counter
2020 · TV
SNL Korea
2011 · TV
Where Is My Home
2019 · TV
After School Club
2013 · TV
Let's Eat Dinner Together
2016 · TV
The Seasons
2023 · TV
Business Proposal
2022 · TV
Baek Jong-won's Alley Restaurant
2018 · TV
Busted!
2018 · TV
Idol Room
2018 · TV
Lee Mujin Service
2022 · TV
Salty Tour
2017 · TV
The Sound of Your Heart
2016 · TV
Moon River
2025 · TV
School 2017
2017 · TV
Produce 101
2016 · TV
MBC Entertainment Awards
2001 · TV
Two Yoo Project - Sugar Man
2015 · TV
IU's Palette
2020 · TV
K-pop Star
2011 · TV
Today's Webtoon
2022 · TV
Sister's Slam Dunk
2016 · TV
Brewing Love
2024 · TV
Master Key
2017 · TV
Prison Life of Fools
2019 · TV
I Wanna Hear Your Song
2019 · TV
The Uncanny Return
2021 · TV
Office Romance Recipe
2022 · TV
Hurrah for Independence
2021 · TV
Galileo: Awakened Universe
2018 · TV
Standby I.O.I
2016 · TV
MONSTOP Travel Agency
2023 · TV
Yoobari Talkbari
2025 · TV
Universe Ticket
2023 · TV
Table Tales
2025 · TV
Gugudan Project: Extreme School Trip
2016 · TV
What Are Gugudan Doing?
2016 · TV
Big Picture Family
2018 · TV
어서옵SHOW
2016 · TV
Uh, But Like, Seriously!
2026 · TV
마이박스
2018 · TV
I.O.I - "Time Slip" Concert
2017 · Movie
Clean Cam
2020 · TV
I.5.I - Yes, I Love It!
2021 · Movie
SEOUL FESTA 2022 K-POP SUPER LIVE
2022 · Movie
