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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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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 as 'Park Dal-yi'.

TV Show Released: First Air Date
Fri, Sep 12 2025

Poster of 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

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

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

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

Kim Se-jeong was 21+ in Idol Room as 'Herself'.

TV Show Released: First Air Date
Sat, May 12 2018

Poster of 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

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

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

Kim Se-jeong was 21+ in Master Key

TV Show Released: First Air Date
Sat, Oct 14 2017

Poster of 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 Let's Eat Dinner Together

Let's Eat Dinner Together

Kim Se-jeong was 20+ in Let's Eat Dinner 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

Kim Se-jeong was 19+ in 어서옵SHOW

TV Show Released: First Air Date
Fri, May 06 2016

Poster of 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

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

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

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

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

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