Lee Jae-in is a South Korean actress who began her career as a child performer and has grown into one of the most promising young talents of her generation. She first drew major critical attention with her dual role in the 2019 mystery thriller Svaha: The Sixth Finger, and has since expanded her range through sports drama Racket Boys, the action film Hi-Five, and other film and television projects. At just 22, she already holds major award wins and a Best Actress nomination at the Blue Dragon Film Awards.
Lee Jae-in was born on 6 February 2004 in Taebaek, Gangwon Province, South Korea. As she is 22 years old. She is South Korean by nationality, and her zodiac sign is Aquarius.
Personal Details
| Full Name | Lee Jae-in (이재인 / 李在仁) |
| Profession | Actress |
| Date of Birth | 6 February 2004 |
| Age | 22 |
| Birthplace | Taebaek, Gangwon Province, South Korea |
| Nationality | South Korean |
| Friends | Kim Hae-sook (김해숙) |
| Zodiac Sign | Aquarius |
| Current Residence | South Korea |
| Qualification | High-school equivalency (GED); further studies planned |
Career
Lee Jae-in made her formal acting debut in 2012 with the tvN drama Yellow Boots (Ice Adonis), playing the younger version of a supporting character. Throughout the 2010s she built experience with child and adolescent roles in dramas such as Who Are You: School 2015 and films including I Can Speak and Adulthood.
Her breakthrough arrived in 2019 with Jang Jae-hyun’s occult mystery Svaha: The Sixth Finger, in which she played twin sisters with sharply contrasting personalities. The performance earned her the Best New Actress award at the 55th Baeksang Arts Awards, along with additional newcomer honors. The same year she appeared in The Battle: Roar to Victory and took a regular role in the JTBC drama Beautiful World.
In 2021 she played the determined young badminton player Han Se-yoon in the SBS sports drama Racket Boys, winning Best Young Actress at the SBS Drama Awards. She also received praise for her role as the daughter in the thriller Hard Hit. In 2023 she led the web drama Night Has Come.
In 2025 she starred as Park Wan-seo in the action fantasy Hi-Five, directed by Kang Hyung-chul, and received a Best Actress nomination at the 46th Blue Dragon Film Awards—making her one of the youngest nominees in the category’s history. She has continued working in both film (Concrete Market) and television projects into 2025–2026. She signed with Yooborn Company in 2023.
Lee Jae-in husband
Lee Jae-in keeps her personal life relatively private. She has one younger sister and lives with a cat named Shiru (시루). There are no publicly confirmed reports of romantic relationships, marriage, or children as of 2026.
Physical Appearance
| Height | 160 cm (5 feet 3 inches) |
| Weight | |
| Eye Color | Dark brown |
| Hair Color | Black |
| Body Type | Slim |
| Blood Type | O |
Drama List
Selected Films
- Adulthood (2018) – Hwang Kyung-eon
- Svaha: The Sixth Finger (2019) – Lee Geum-hwa / “It” (dual role)
- The Battle: Roar to Victory (2019) – Choon-hee
- Hard Hit (2021) – Lee Hye-in
- Hi-Five (2025) – Park Wan-seo
- Concrete Market (2025) – Choi Hee-ro
Selected Television / Web Dramas
- Yellow Boots / Ice Adonis (tvN, 2012) – Young Ha Yoon-hee
- Who Are You: School 2015 (KBS2, 2015) – Ra-jin
- Beautiful World (JTBC, 2019) – Han Dong-hee
- Racket Boys (SBS, 2021) – Han Se-yoon
- Undercover (JTBC, 2021) – Han Seung-mi
- Night Has Come (2023) – Lee Yoon-seo
- Our Unwritten Seoul / Unknown Seoul (tvN, 2025) – Young Yoo Mi-ji / Yoo Mi-rae
Social Media Presence
Lee Jae-in is active on Instagram under the handles @2janejane and @draw2ingjanejane, where she shares personal and professional updates. She is not known for major public accounts on X (Twitter), Facebook, YouTube, or TikTok as of 2026. Follower counts change over time and are best checked directly on the platform.
FAQs
How old is Lee Jae-in ?
She is 22 years old (born 6 February 2004).
What is Lee Jae-in best known for?
She is best known for her dual role in Svaha: The Sixth Finger (2019), her performance in Racket Boys (2021), and her leading role in Hi-Five (2025).
Has Lee Jae-in won any major awards?
Yes. She won Best New Actress (Film) at the 55th Baeksang Arts Awards for Svaha: The Sixth Finger, along with additional newcomer awards. She was later nominated for Best Actress at the Blue Dragon Film Awards for Hi-Five.
Where was Lee Jae-in born?
She was born in Taebaek, Gangwon Province, South Korea.
Is Lee Jae-in still a student?
She completed her high-school education via the GED and has expressed interest in further film-related studies.
What agency is Lee Jae-in under?
She is signed with Yooborn Company (as of 2023 onward).