Lee Jae-in

Biography

Lee Jae-in (born February 6, 2004) is a South Korean actress. She first gained recognition through the mystery film Svaha: The Sixth Finger (2019). Other notable works include Racket Boys (2021) and Hi-Five (2025).

Known For

Hospital Playlist

Night Has Come

Baeksang Arts Awards

Spring Fever

O’PENing

Racket Boys

Our Unwritten Seoul

The Price of Confession

All Movies (18)

• Homeless Christmas2026 · as Min-su
• Concrete Market2025 · as Choi Hee-ro
• The Accordion Door2025 · as Hyeon-joo
• Hi-Five2025 · as Park Wanseo
• FAQ2024 · as Passenger
• Heaven: To the Land of Happiness2021 · as Yoo-jin
• Hard Hit2021 · as Hye-in
• The Battle: Roar to Victory2019 · as Chun-hee
• Svaha: The Sixth Finger2019 · as Geum-hwa
• Our Body2018 · as Hwa-young
• Adulthood2018 · as Kyung-un
• I Can Speak2017 · as Young Jung-sim
• Tombstone Refugee2017 · as Dabin
• Horror Stories 32016 · as Dunko (segment 3)
• Ghost of Machine2016
• No Tears for the Dead2014 · as Dae Ban's granddaughter
• Gardeners— · as Choi Eun-su
• Cherry Boy— · as Jeong Ok-hee

All TV Shows (13)

• Spring Fever2026 · as Choi Se-jin
• Concrete Market2025 · as Choi Hee-ro
• The Price of Confession2025 · as Gu Hui-Yeong
• Our Unwritten Seoul2025 · as Teen Yoo Mi-ji / Yoo Mi-rae
• Night Has Come2023 · as Lee Yoon-seo
• O’PENing2022 · as Lim Yoon-jae
• Racket Boys2021 · as Han Se-yoon
• Undercover2021 · as Han Seung-Mi
• Hospital Playlist2020 · as So-mi
• Beautiful World2019 · as Han Dong-hee
• Baeksang Arts Awards2012 · as Self
• Private Taxi—
• Human X Gumiho— · as Bang-sang