Kim Se-jeong is a South Korean singer and actress. She finished second in Mnet's girl group survival show Produce 101, becoming a member of the project girl group I.O.I. She was also a member of Jellyfish Entertainment's girl group Gugudan. She is currently active as a solo artist and actress, best known for her lead roles in the television series School 2017 (2017), The Uncanny Counter (2020–2023), Business Proposal (2022), and Brewing Love (2024).

Filmography

• Moon River — Park Dal-yi
• Brewing Love — Chae Yong-ju, Theme Song Performance
• Universe Ticket — Unicorn
• Business Proposal — Shin Ha-ri, Vocals
• Lee Mujin Service — Guest
• Office Romance Recipe — Rani
• 2022SEOUL FESTA 2022 K-POP SUPER LIVE — MC
• Today's Webtoon — Oh Ma-eum
• Record of Youth — Theme Song Performance
• The Uncanny Counter — Do Ha-na, Theme Song Performance
• Crash Landing on You — Vocals
• I Wanna Hear Your Song — Hong Yi-young
• Busted! — Kim Se-jeong
• Mr. Sunshine — Theme Song Performance
• School 2017 — Ra Eun-ho
• The Legend of the Blue Sea — Theme Song Performance
• The Sound of Your Heart — Woman next door in Room 205
• High School Queen — Kim Cheong-ha / Kim Da-jin
• It's 1992

Appearances as themselves (38)

• Uh, But Like, Seriously! — Self
• Table Tales — Self
• Yoobari Talkbari — Self
• MONSTOP Travel Agency — Self
• The Seasons — Self
• Hurrah for Independence — Self
• 2021I.5.I - Yes, I Love It! — Self
• The Uncanny Return — Self
• Clean Cam — Self
• IU's Palette — Self - Guest
• Prison Life of Fools — Self
• Where Is My Home — Self
• Amazing Saturday — Self
• Baek Jong-won's Alley Restaurant — Self
• Big Picture Family — Self
• Galileo: Awakened Universe — Self
• Idol Room — Self
• My Box — Self
• 2017I.O.I - "Time Slip" Concert — Self
• Master Key — Self
• Salty Tour — Self
• Gugudan Project: Extreme School Trip — Self
• Let's Eat Dinner Together — Self
• Produce 101 — Self - Contestant
• Sister's Slam Dunk — Self
• Standby I.O.I — Self
• Talents for Sale — Self
• What Are Gugudan Doing? — Self
• Men on a Mission — Self
• Two Yoo Project - Sugar Man — Self
• After School Club — Self
• Home Alone — Self
• K-pop Star — Self - Contestant
• Law of the Jungle — Self
• SNL Korea — Self
• Running Man — Self
• You Hee-yeol's Sketchbook — Self
• MBC Entertainment Awards — Self - MC