
Actor
Kim Se-jeong
Born 1996 · Gimje, North Jeolla, South Korea
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.”
Acting

Business Proposal
Shin Ha-ri · 2022

The Uncanny Counter
Do Ha-na · 2020

Moon River
Park Dal-yi · 2025

School 2017
Ra Eun-Ho · 2017

Busted!
Kim Se-jeong · 2018

Men on a Mission
Self · 2015

Brewing Love
Chae Yong-ju · 2024

The Sound of Your Heart
Woman next door in Room 205 · 2016

Home Alone
Self · 2013

IU's Palette
Self - Guest · 2020

Today's Webtoon
Oh Ma-Eum · 2022

K-pop Star
Self - Contestant · 2011

Prison Life of Fools
Self · 2019

Amazing Saturday
Self · 2018

Idol Room
Self · 2018

SNL Korea
Self · 2011

Sister's Slam Dunk
Self · 2016

Salty Tour
Self (Sejeong) · 2017

MBC Entertainment Awards
Self - MC · 2001
Lee Mujin Service
Guest · 2022

Universe Ticket
Unicorn · 2023

Produce 101
Self - Contestant · 2016

Let's Eat Dinner Together
Self · 2016

The Seasons
Self · 2023