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Kim You-jung
Acting
Biography
Kim You-jung (κΉμ μ ) is a South Korean actress, born in Seoul, who studied at Goyang High School of Arts. She started out as a model for a confectionery brand at the age of 4 and made her acting debut in 2003, quickly becoming one of the most famous and in-demand child actresses in Korea. She was discovered at 5 years old in a contest that her older sister joined and won the Most Popular Award even though she was not one of the official contestants. She is the youngest of three siblings; her older sister, Kim Yeon-jung, is also an actress.
Known as "Nation's Little Sister" during her child acting years, she earned the moniker "Sageuk Fairy" after starring in acclaimed historical period dramasβ¦
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Kim You-jung (κΉμ μ ) is a South Korean actress, born in Seoul, who studied at Goyang High School of Arts. She started out as a model for a confectionery brand at the age of 4 and made her acting debut in 2003, quickly becoming one of the most famous and in-demand child actresses in Korea. She was discovered at 5 years old in a contest that her older sister joined and won the Most Popular Award even though she was not one of the official contestants. She is the youngest of three siblings; her older sister, Kim Yeon-jung, is also an actress. Known as "Nation's Little Sister" during her child acting years, she earned the moniker "Sageuk Fairy" after starring in acclaimed historical period dramas such as Dong Yi (2010), Moon Embracing the Sun (2012), and May Queen (2012). In 2016, she successfully transitioned to adult leading roles in the hit period romance Love in the Moonlight. In 2017, she ranked 8th on the Forbes Korea Power Celebrity list, becoming the youngest person ever to enter the Top 10 at 17 years old. In February 2018, she temporarily paused her career after being diagnosed with thyroid dysfunction. She solidified her status as an international star with leading roles in the romantic comedies Backstreet Rookie (2020), Lovers of the Red Sky (2021), and My Demon (2023β2024). Her performance in the popular Netflix retro drama 20th Century Girl (2022) earned her the title "Nation's First Love". Her projects include the Netflix comedy Chicken Nugget (2024), the psychological thriller series Dear X (2025), and the 1930s historical spy romance 100 Days of Lies (2026).
Biography expanded
BODY OF WORK
Kim You-jung's Filmography
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Reawakened Man
as Blue

My Heart Puppy
as Ah-min

20th Century Girl
as Na Bo-ra

The 8th Night
as Ae-ran

Dark, Deadly & Dreadful
as Wei (Room 731)

Golden Slumber
as Soo-ah

Because I Love You
as Scully

Circle of Atonement
as Lee Jung-Hyun

Room 731
as Wei

Thread of Lies
as Kim Hwa-yeon

The Dirge Singer
as Yun Shim

Commitment
as Ri Hye-in

On the Pitch
as Radio female soldier

Paradise
as Hwa-ran

Possessed
as Ji-eun

Tidal Wave
as Ji-min

Do You See Seoul?
as Yeong-mi

The Chaser
as Eun-ji

Rainbow Eyes
as Hye-seo's Daughter

Bank Attack
as Bae Yeon-Hee

Hwang Jin Yi
as Young Jin-yi

Lump of Sugar
as Young Si-eun

4 Horror Tales: Hidden Floor
as Yeo Joo-hee

All for Love
as Kim Jin-a

Lady Vengeance
as Jae-kyung

DMZ (Demilitarized Zone)
No Poster
Soulbound
as Yoon-ha