Lee Jae In – Biography, Age, Korean Dramas & Movies

AUTHOR: | March 15, 2026 | 6 min. read


From Child Actress to Award-Winning Film and Television Star with Notable Versatility

Lee Jae-in stands out as a compelling young actress in South Korea’s entertainment industry, known for her nuanced performances and ability to embody complex characters across film and television. Her career trajectory showcases a steady rise marked by critical acclaim and a growing fanbase, making her an actor worth watching in contemporary Korean cinema and drama.

🕊️ Who Is Lee Jae-in?

Lee Jae-in is a South Korean actress recognized for her remarkable talent and versatility despite her young age. She first gained widespread attention for her dual role in the mystery film “Svaha: The Sixth Finger,” which highlighted her ability to portray distinct characters with depth and subtlety. Beyond that, she has delivered notable performances in television series such as “Racket Boys” and “Night Has Come,” further establishing her presence in the industry.

Known for her powerful screen presence and emotional range, Lee has become a respected figure among her peers and audiences alike. Her work spans both film and television, reflecting a dynamic career that balances commercial projects with critically acclaimed roles.

🪪 Quick Profile

  • Full Name: Lee Jae-in
  • Hangul: 이재인
  • Birth Date: 2004-02-06
  • Age: 22 years 6 months 1 day
  • Nationality: South Korea
  • Zodiac Sign: Aquarius

🌱 Early Life & Background

Lee Jae-in was born on February 6, 2004, in Taebaek, Gangwon Province, South Korea. Growing up in this border province near North Korea, she is one of the few South Korean celebrities from this region, which adds a unique dimension to her background. Details about her family and childhood remain private, but her early start in acting suggests a strong passion for the craft from a young age.

🫧 Education & Training

While specific details about Lee Jae-in’s formal education are not extensively documented, her early and continuous involvement in acting implies a focus on developing her skills through practical experience and possibly specialized training. Her commitment to her career from childhood suggests a supportive environment that facilitated her growth as a performer.

🚀 Career Beginnings

Lee Jae-in began her acting career in 2012 as a child actress, debuting in the television drama “Ice Adonis” where she played the child counterpart of a supporting character. This early exposure laid the foundation for her future in the industry, allowing her to gain valuable on-set experience and develop her craft gradually.

Her breakthrough came in 2019 with the religious mystery film “Svaha: The Sixth Finger,” where she portrayed twin sisters with distinct personalities. This challenging role earned her critical acclaim and multiple awards, marking a significant turning point that transitioned her from child roles to more mature and complex characters. That same year, she took on her first regular role in the television series “Beautiful World,” further solidifying her rising status.

🎥 Notable Works & Iconic Roles


Spring Fever (2026)

Our Unwritten Seoul (2025)

The Price of Confession (2025)

🎭 Acting Style & Public Image

Lee Jae-in’s acting style is characterized by emotional authenticity and the ability to convey complex inner worlds with subtlety. Her performances often reveal a maturity beyond her years, allowing her to tackle diverse roles ranging from intense thrillers to heartfelt dramas. She is noted for her capacity to inhabit characters fully, making her portrayals resonate deeply with audiences.

Publicly, Lee is perceived as a dedicated and thoughtful actress who continuously challenges herself with varied projects. Her image combines youthful energy with professional seriousness, earning her respect both within the industry and among fans who appreciate her evolving artistry and grounded personality.

🎞️ Drama & Movie List (Key Roles)


Year Title Role Type
2026 Spring Fever Choi Se-jin TV Drama
2025 Hi-Five Park Wanseo Movie
2025 The Accordion Door Hyeon-joo Movie
2025 Concrete Market Choi Hee-ro Movie
2025 Our Unwritten Seoul Teen Yoo Mi-ji / Yoo Mi-rae TV Drama
2025 The Price of Confession Gu Hui-Yeong TV Drama
2024 FAQ Passenger Movie
2023 Night Has Come Lee Yoon-seo TV Drama
2022 O’PENing Lim Yoon-jae TV Drama

🔽 View Complete Acting, Movies & Variety Credits
🔴 Click here to expand full filmography


Year Title Role Type
2021 Hard Hit Hye-in Movie
2021 Heaven: To The Land of Happiness Variety Show
2021 Undercover Han Seung-Mi TV Drama
2021 Racket Boys Han Se-yoon TV Drama
2020 Hospital Playlist So-mi TV Drama
2019 Svaha: The Sixth Finger Geum-hwa Movie
2019 The Battle: Roar to Victory Chun-hee Movie
2019 Beautiful World Han Dong-hee TV Drama
2018 Adulthood Kyung-un Movie
2018 Our Body Hwa-young Movie
2017 I Can Speak Young Jung-sim Movie
2017 Tombstone Refugee Dabin Movie
2016 Ghost of Machine Variety Show
2016 Horror Stories 3 Dunko (segment 3) Movie
2014 No Tears for the Dead Dai Ban Granddaughter Movie
2012 Baeksang Arts Awards Self Variety Show

🥇 Awards & Achievements

Lee Jae-in’s talent has been widely recognized through numerous awards and nominations. She won the Best New Actress award at the Baeksang Arts Awards in 2019 for her performance in “Svaha: The Sixth Finger,” a milestone that affirmed her emerging status in Korean cinema. The same role garnered her the Best New Actress award at the Golden Cinema Film Festival and the Wildflower Film Awards.

She has also received nominations for prestigious awards such as the Blue Dragon Film Awards and Buil Film Awards, indicating consistent critical acclaim. Additionally, her work in television earned her the Best Young Actress award at the SBS Drama Awards in 2021 for “Racket Boys,” showcasing her versatility across different media.

💖 Personal Life

Lee Jae-in maintains a private personal life, with limited public information beyond her professional career. Known for her focused dedication to acting, she signed with Yooborn Company in January 2023, indicating a strategic move to further her career. Her birthplace in Gangwon Province is occasionally noted as a point of personal background, but she generally keeps family and personal matters out of the public eye.

🚧 Recent & Upcoming Projects

Recently, Lee Jae-in has continued to expand her portfolio with diverse roles, including her part in the television series “Night Has Come” (2023) and the legal espionage drama “Undercover” (2021). She also appeared in the thriller film “Hard Hit,” which received praise for her performance. In 2025, she was nominated for Best Actress at the Blue Dragon Film Awards for the film “Hi-Five,” reflecting ongoing recognition of her growing capabilities.

Her affiliation with Yooborn Company since 2023 suggests upcoming projects that may further showcase her range. Although specific future roles have not been publicly detailed, her recent trajectory indicates a continued presence in both film and television.

❓ Fun Facts

  • Early Start

    Lee Jae-in debuted as a child actress at the age of 8 in the drama “Ice Adonis.”

  • Twin Role Challenge

    She played twin girls with distinct personalities in “Svaha: The Sixth Finger,” showcasing her range.

  • Gangwon Province Native

    She is among the few South Korean celebrities born in the border province of Gangwon.

  • Award-Winning Young Talent

    She won Best New Actress at the Baeksang Arts Awards in 2019, a prestigious honor for emerging actors.

🛟 Legacy & Why Fans Love Lee Jae-in

Lee Jae-in is cherished by fans for her compelling portrayals and the emotional depth she brings to each character. Her ability to transition smoothly from child roles to complex adult characters resonates with audiences who have followed her growth over the years. Fans admire her authenticity and the sincerity evident in her performances, which create strong emotional connections.

Her legacy is still developing, but she is already regarded as one of the most promising young actresses in South Korea. Her accolades and the respect she commands within the industry underscore her impact, and her continued evolution suggests a lasting presence in Korean entertainment.

🧭 Discover More

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