Portrait of Kim Se-jeong

Kim Se-jeong

Bio: 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
Born: Wed, Aug 28 1996
Birthplace: Gimje, North Jeolla, South Korea
Kim Se-jeong is 28 years old
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Acting Roles
Crew Roles

Movies (Acting Roles)

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Poster of SEOUL FESTA 2022 K-POP SUPER LIVE
SEOUL FESTA 2022 K-POP SUPER LIVE
Kim Se-jeong was 25 in SEOUL FESTA 2022 K-POP SUPER LIVE as 'MC'.
Movie Released: Fri, Aug 12 2022
Poster of I.5.I - Yes, I Love It!
I.5.I - Yes, I Love It!
Kim Se-jeong was 24 in I.5.I - Yes, I Love It! as 'Sejeong'.
Movie Released: Tue, May 04 2021
Poster of I.O.I - "Time Slip" Concert
I.O.I - "Time Slip" Concert
Kim Se-jeong was 20 in I.O.I - "Time Slip" Concert as 'Sejeong'.
Movie Released: Sun, Jan 22 2017

TV Shows (Acting Roles)

Sorted by Release Date
Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages
Poster of The Moon Flows in This River
The Moon Flows in This River
Kim Se-jeong will be 0+ in The Moon Flows in This River
TV Show Released: First Air Date
Fri, Sep 12 2025
Poster of Brewing Love
Brewing Love
Kim Se-jeong was 28+ in Brewing Love as 'Chae Yong-ju'.
TV Show Released: First Air Date
Mon, Nov 04 2024
Poster of Universe Ticket
Universe Ticket
Kim Se-jeong was 27+ in Universe Ticket as 'Unicorn'.
TV Show Released: First Air Date
Sat, Nov 18 2023
Poster of MONSTOP Travel Agency
MONSTOP Travel Agency
Kim Se-jeong was 26+ in MONSTOP Travel Agency as 'self (KIM SEJEONG)'.
TV Show Released: First Air Date
Wed, Jul 26 2023
Poster of The Seasons
The Seasons
Kim Se-jeong was 26+ in The Seasons as 'Self'.
TV Show Released: First Air Date
Sun, Feb 05 2023
Poster of Office Romance Recipe
Office Romance Recipe
Kim Se-jeong was 26+ in Office Romance Recipe as 'Rani'.
TV Show Released: First Air Date
Thu, Nov 03 2022
Poster of Today's Webtoon
Today's Webtoon
Kim Se-jeong was 25+ in Today's Webtoon as 'Oh Ma-Eum'.
TV Show Released: First Air Date
Fri, Jul 29 2022
Poster of Business Proposal
Business Proposal
Kim Se-jeong was 25+ in Business Proposal as 'Shin Ha-ri'.
TV Show Released: First Air Date
Mon, Feb 28 2022
Poster of Lee Mujin Service
Lee Mujin Service
Kim Se-jeong was 25+ in Lee Mujin Service as 'Guest'.
TV Show Released: First Air Date
Tue, Feb 22 2022
Poster of Hurrah for Independence
Hurrah for Independence
Kim Se-jeong was 24+ in Hurrah for Independence as 'Self'.
TV Show Released: First Air Date
Mon, Feb 22 2021
Poster of The Uncanny Return
The Uncanny Return
Kim Se-jeong was 24+ in The Uncanny Return
TV Show Released: First Air Date
Sun, Feb 07 2021
Poster of The Uncanny Counter
The Uncanny Counter
Kim Se-jeong was 24+ in The Uncanny Counter as 'Do Ha-na'.
TV Show Released: First Air Date
Sat, Nov 28 2020
Poster of IU's Palette
IU's Palette
Kim Se-jeong was 24+ in IU's Palette as 'Self - Guest'.
TV Show Released: First Air Date
Tue, Sep 01 2020
Poster of Clean Cam
Clean Cam
Kim Se-jeong was 23+ in Clean Cam
TV Show Released: First Air Date
Wed, Jan 08 2020
Poster of I Wanna Hear Your Song
I Wanna Hear Your Song
Kim Se-jeong was 22+ in I Wanna Hear Your Song as 'Hong Yi-Young'.
TV Show Released: First Air Date
Mon, Aug 05 2019
Poster of Where Is My Home
Where Is My Home
Kim Se-jeong was 22+ in Where Is My Home
TV Show Released: First Air Date
Sun, Mar 31 2019
Poster of Prison Life of Fools
Prison Life of Fools
Kim Se-jeong was 22+ in Prison Life of Fools as 'Herself'.
TV Show Released: First Air Date
Sat, Mar 16 2019
Poster of Galileo: Awakened Universe
Galileo: Awakened Universe
Kim Se-jeong was 21+ in Galileo: Awakened Universe
TV Show Released: First Air Date
Sun, Jul 15 2018
Poster of Idol Room
Idol Room
Kim Se-jeong was 21+ in Idol Room as 'Herself'.
TV Show Released: First Air Date
Sat, May 12 2018
Poster of Busted!
Busted!
Kim Se-jeong was 21+ in Busted! as 'Kim Se-jeong'.
TV Show Released: First Air Date
Fri, May 04 2018
Poster of Amazing Saturday
Amazing Saturday
Kim Se-jeong was 21+ in Amazing Saturday as 'Self'.
TV Show Released: First Air Date
Sat, Apr 07 2018
Poster of 마이박스
마이박스
Kim Se-jeong was 21+ in 마이박스
TV Show Released: First Air Date
Mon, Mar 05 2018
Poster of Baek Jong-won's Alley Restaurant
Baek Jong-won's Alley Restaurant
Kim Se-jeong was 21+ in Baek Jong-won's Alley Restaurant as 'Self'.
TV Show Released: First Air Date
Fri, Jan 05 2018
Poster of Salty Tour
Salty Tour
Kim Se-jeong was 21+ in Salty Tour as 'Self (Sejeong)'.
TV Show Released: First Air Date
Sat, Nov 25 2017
Poster of Master Key
Master Key
Kim Se-jeong was 21+ in Master Key
TV Show Released: First Air Date
Sat, Oct 14 2017
Poster of School 2017
School 2017
Kim Se-jeong was 20+ in School 2017 as 'Ra Eun-Ho'.
TV Show Released: First Air Date
Mon, Jul 17 2017
Poster of Gugudan Project: Extreme School Trip
Gugudan Project: Extreme School Trip
Kim Se-jeong was 20+ in Gugudan Project: Extreme School Trip as 'Herself'.
TV Show Released: First Air Date
Wed, Nov 09 2016
Poster of The Sound of Your Heart
The Sound of Your Heart
Kim Se-jeong was 20+ in The Sound of Your Heart as 'Woman next door in Room 205'.
TV Show Released: First Air Date
Mon, Nov 07 2016
Poster of Dining Together
Dining Together
Kim Se-jeong was 20+ in Dining Together as 'Herself'.
TV Show Released: First Air Date
Wed, Oct 19 2016
Poster of What Are Gugudan Doing?
What Are Gugudan Doing?
Kim Se-jeong was 20+ in What Are Gugudan Doing? as 'Kim Se-jeong'.
TV Show Released: First Air Date
Tue, Oct 04 2016
Poster of 어서옵SHOW
어서옵SHOW
Kim Se-jeong was 19+ in 어서옵SHOW
TV Show Released: First Air Date
Fri, May 06 2016
Poster of Standby I.O.I
Standby I.O.I
Kim Se-jeong was 19+ in Standby I.O.I as 'Kim Se-jeong'.
TV Show Released: First Air Date
Fri, Apr 22 2016
Poster of Produce 101
Produce 101
Kim Se-jeong was 19+ in Produce 101 as 'Herself'.
TV Show Released: First Air Date
Fri, Jan 22 2016
Poster of Men on a Mission
Men on a Mission
Kim Se-jeong was 19+ in Men on a Mission as 'Self'.
TV Show Released: First Air Date
Sat, Dec 05 2015
Poster of Two Yoo Project - Sugar Man
Two Yoo Project - Sugar Man
Kim Se-jeong was 19+ in Two Yoo Project - Sugar Man as 'Herself'.
TV Show Released: First Air Date
Tue, Oct 20 2015
Poster of Home Alone
Home Alone
Kim Se-jeong was 16+ in Home Alone as 'Self'.
TV Show Released: First Air Date
Fri, Mar 22 2013
Poster of K-pop Star
K-pop Star
Kim Se-jeong was 15+ in K-pop Star as 'Self - Contestant'.
TV Show Released: First Air Date
Sun, Dec 04 2011
Poster of SNL Korea
SNL Korea
Kim Se-jeong was 15+ in SNL Korea as 'Self'.
TV Show Released: First Air Date
Sat, Dec 03 2011
Poster of Law of the Jungle
Law of the Jungle
Kim Se-jeong was 15+ in Law of the Jungle
TV Show Released: First Air Date
Fri, Oct 21 2011
Poster of Running Man
Running Man
Kim Se-jeong was 13+ in Running Man
TV Show Released: First Air Date
Sun, Jul 11 2010
Poster of You Hee-yeol's Sketchbook
You Hee-yeol's Sketchbook
Kim Se-jeong was 12+ in You Hee-yeol's Sketchbook as 'Self'.
TV Show Released: First Air Date
Fri, Apr 24 2009
Poster of MBC Entertainment Awards
MBC Entertainment Awards
Kim Se-jeong was 5+ in MBC Entertainment Awards as 'Self - MC'.
TV Show Released: First Air Date
Sat, Dec 29 2001