1. Kim Yoo Jung
Kim Yoo Jung, often mentioned alongside Kim So Hyun despite being in the same management agency and of similar age, has made a name for herself as one of South Korea’s beloved child stars. Born in 1999, she began acting at a very young age, impressing audiences with her ability to seamlessly portray roles. Known for her charming and mischievous portrayal of younger female leads, she gained widespread recognition through her roles in iconic dramas like "Iljimae", "Dong Yi", "The Moon Embracing the Sun", and "Secret Door", as well as films such as "The Chaser" and "Commitment", all of which earned her high praise from critics for her exceptional acting skills.
As Kim Yoo Jung matured, her beauty and acting range only improved. She transitioned successfully from a child actress to a young adult, with her role in the popular drama Moonlight Drawn by Clouds alongside Park Bo Gum gaining immense popularity, making her a household name across Asia. She also showcased her versatility in roles that diverged from her sweet, feminine image, such as in Circle of Atonement, where she portrayed a cop’s daughter struggling with darker psychological layers. Her 2020 return to television with Backstreet Rookie, based on the popular webtoon, alongside Ji Chang Wook, solidified her continued success.


2. Kim Se Ron
Similar in age to Kim So Hyun and Kim Yoo Jung, Kim Se Ron is another one of the most talked-about child actresses. Often noted for her less conventional beauty compared to her peers and her towering height, she was once advised that a modeling career might suit her better than acting. However, thanks to her relentless dedication and exceptional talent, Kim Se Ron has won over the audience, and her performances continue to be highly admired.
Unlike many of her contemporaries, Kim Se Ron’s early roles were in psychological thrillers, crime dramas, and horror films. She made a significant impact with her performance in the 2009 film A Brand New Life, and in 2016, she returned to the big screen with the critically acclaimed film The Witch in the Mirror, which highlighted both her acting skills and the film's strong storyline.
In 2020, Kim Se Ron kicked off the year with the SBS drama Nobody Knows. There were rumors that she would take on the lead role in School 2020, paired with Kim Yohan, though no official confirmation has been made yet.


3. Moon Geun Young
Moon Geun Young – a name that resonates with fans of romantic Korean dramas, particularly those who adore the iconic series "Autumn in My Heart", which made a massive impact in 2000. At just 13 years old, Moon Geun Young became a household name across Asia, portraying the younger version of Eun-suh. She also famously lost her first kiss to actor Kim Rae-won in the drama "15 Years Old Bride" and became the ideal girlfriend of both actor Uhm Ki Joon and singer Yesung. After the success of "Autumn in My Heart", she earned the title of the 'Nation’s Little Sister'.
From there, Moon Geun Young continued to rise in popularity with her role in "Two Sisters" in 2003. In 2015, she made her comeback with the hit drama "The Village: Achiara's Secret", reaffirming her place in the hearts of many fans. After a 10-year break from the silver screen, Moon Geun Young returned with a supporting role in the historical film The Throne, which set the stage for her leading role in the 2017 film "Glass Garden", where she played Jae Yeon, an eccentric biologist researching energy.


4. Yeo Jin Goo
Yeo Jin Goo began his career as a child actor, first making an impression with the 2005 film Sad Movie, followed by notable roles in the TV dramas Giant (2011), The Moon Embracing the Sun (2012), Missing You (2012), and the sitcom Potato Star 2013. In 2013, he made his film debut in a leading role in the action film Hwayi: A Monster Boy.
He gained widespread recognition for his portrayal of the young king in The Moon Embracing the Sun, a role that garnered significant attention from directors. His powerful performance as the crown prince was integral to the film's success, with additional scenes of his character inserted at the end to further engage the audience. Yeo Jin Goo’s remarkable performance earned him the prestigious “Best New Actor” award at the 2014 Blue Dragon Film Awards.
In 2018, Yeo Jin Goo took on a leading role in the romantic comedy My Absolute Boyfriend, based on the Japanese manga of the same name. Despite the show’s poor ratings, which barely surpassed four percent, Yeo Jin Goo’s fame soared again with his role in the fantasy drama Hotel Del Luna, where he starred opposite singer-actress IU.


5. Lee Hyun Woo
Lee Hyun Woo began his career as a child actor with appearances in several popular dramas, such as The Return of Iljimae and Queen Seondeok. As he entered his teenage years, he gained recognition for his roles in School 2013, Man from the Equator, To the Beautiful You, and the 2013 hit film Secretly, Greatly. With his charming, youthful appearance, Lee Hyun Woo quickly won the hearts of fans and established himself as one of South Korea’s most beloved young actors.
Despite being born in 1993, Lee Hyun Woo also ventured into historical dramas, making a lasting impression in Queen Seondeok, where his few episodes showcased his acting prowess. His role in Lord of Study alongside Yoo Seung Ho further solidified his status as a rising star in the industry.
In 2016, Lee Hyun Woo starred in Moorim School, which left a deep impact on viewers. But it was his lead role in The Liar and His Lover in 2017 that truly showcased his remarkable acting skills and cemented his reputation as a talented young actor.


6. Park Ji Bin
Much like Yoo Seung Ho, Park Ji Bin became famous for portraying the younger versions of leading male characters. Born in 1995, he began acting at just eight years old. Park Ji Bin quickly earned recognition from industry professionals for his outstanding performances in dramas such as
His role as the adorable younger brother in Boys Over Flowers gave him a solid start in the entertainment industry. This led to more prominent roles, and he won acting awards even as a child star. Currently, Park Ji Bin is not involved in any new television or film projects, but fans eagerly await his return to the screen, hoping to see him in more mature roles.
On May 26, 2015, Park Ji Bin decided to put his career on hold to complete his mandatory military service at the age of 20. His decision was widely supported by both the media and his fans, as many male stars in South Korea tend to delay their enlistment until they are older, usually around 28 or 29.


7. Jin Ji Hee
Despite having a “modest” career compared to her peers, Kim So Hyun and Kim Yoo Jung, Jin Ji Hee is undeniably one of South Korea's most talented young actresses. She started her acting journey at a very young age, gaining recognition for her roles in dramas like Lonely in Love (2006), Hansel and Gretel (2007), Family Is Number One (2009), Seonam Girls High School Investigators (2014), and Baek Hee Returns (2016).
With her adorable, chubby cheeks, Jin Ji Hee left a strong impression on viewers, especially with her portrayal of a feisty and sassy character in the popular sitcom Family Is Number One season 2, a beloved family-themed drama in South Korea.
Recently, Jin Ji Hee's transformation has taken social media by storm as fans praise her stunning beauty and youthful charm. The once feisty young girl from Family Is Number One has blossomed into a beautiful 21-year-old woman, receiving widespread admiration for her appearance. In 2020, she made her return in the drama The Temperature Of Language: Our Nineteen, which garnered much anticipation.


8. Jung Da Bin
Jung Da Bin, born in 2000, is a young actress who has captured the hearts of Korean audiences with her adorable face and big, lively eyes. She began her acting career at the age of 4 in the film Marrying School Girl. Since then, she has been featured in numerous television and film projects, including Iljimae, Sign, Miss Ripley, Deep-rooted Tree, I Need Romance, among others.
Jung Da Bin's transition from a child actor to a young adult began with her role in She Was Pretty, where she portrayed the younger version of the female lead and her younger sister. In this role, she showcased her growth into a charming young woman. As she matured, Jung Da Bin appeared in more roles that reflected her evolving image, such as in The Flower in Prison and My Sassy Girl.
In 2020, Jung Da Bin marked a significant turning point in both her physical and acting maturity with the gritty Netflix series Extracurricular, which explored the darker sides of high school life. Playing a beautiful but lonely girl, she took on a bold role where she compromises her integrity to please her popular boyfriend. Her daring choice to take on such a challenging role further demonstrated her versatility as an actress.


9. Kim Hyang Gi
Kim Hyang Gi began her career in advertising at just 3 years old. By the age of 6, she transitioned into acting, appearing in both films and television series such as The Grand Heist, A Werewolf Boy, and The Queen’s Classroom. Kim made a remarkable leap from child actor to adult roles when she portrayed one of the three guardians tasked with guiding souls through the underworld to be reincarnated in Along with the Gods, starring alongside renowned actors like Ha Jung Woo and Joo Ji Hoon.
Kim Hyang Gi further impressed audiences with her role as a young autistic girl in the film Innocent Witness, where she starred opposite A-list actor Jung Woo Sung. Her natural and compelling performance demonstrated her depth as an actress. This role solidified her place in the film industry as an actress to watch.
With her talent and versatility, Kim Hyang Gi is sure to continue making waves. In addition to her film career, she has also appeared in the popular drama Moment of Eighteen, where she brought a fresh and charming presence to the screen alongside Ong Seung Woo. While she may not have the conventional glamorous beauty, Kim Hyang Gi possesses a unique charm, and her acting abilities will undoubtedly propel her even further in her career.


10. Nam Da Reum
Starting his career as a child actor in 2009, Nam Da Reum has quickly become a familiar face in Korean television and film, with over 30 appearances across a variety of projects. Recently, his charming looks have garnered the attention of fans, particularly the ladies, and he is now recognized for playing the younger version of Yoon Ji Hoo (Kim Hyun Joong) in the hit series “Boys Over Flowers.”
Throughout his career, Nam Da Reum has built a reputation for portraying the younger versions of famous male actors, earning his place as one of the top young stars in Korea. Notable works include Pinocchio, Six Flying Dragons, Goblin, The King Loves, and While You Were Sleeping. His ability to seamlessly take on roles of well-known characters has solidified him as one of the brightest young actors in the industry.
As he grows older, Nam Da Reum continues to capture the attention of audiences, with appearances in recent hits such as Goblin and Bad Thief, Good Thief. His strong emotional performances and striking visuals have led to comparisons with Korean stars like Lee Min Ho and Kim Soo Hyun, marking him as one of the next big names to watch in Korean drama.


11. Seo Shin Ae
Starting her acting career at a very young age, Seo Shin Ae and Jin Ji Hee gained widespread recognition across Asia after starring in the popular series Family is Number One. Eleven years later, Seo Shin Ae is now 22, while Jin Ji Hee has blossomed into a young woman of 21.
Seo Shin Ae began acting at the age of 7, quickly capturing audiences' attention with her cute, round face and charming presence. She won several awards for her performances in notable dramas like Thank You (2007), My Love (2007), and Family is Number One – Season 2 (2009).
In 2010, Seo Shin Ae surprised audiences with her stellar performance as a villain in Gumiho: Tale of the Fox’s Child, alongside her friend Kim Yoo Jung. Her success in this role led to more opportunities, including playing a genius schoolgirl in the special drama Boy Meets Girl.


12. Park Eun Bin
Park Eun Bin began acting at the tender age of 7, quickly becoming one of the most sought-after child stars in early 2000s South Korea. Back then, she often appeared in 4 to 5 dramas a year, including hit series such as The Love of a Clown and Glass Shoes.
At 15, Park Eun Bin portrayed the character Ki Ha in The Four Gods, captivating viewers with her youthful, pure beauty. This role opened doors to more prominent projects like The Iron Empress and Queen Seon Deok.
Today, while not as widely recognized as some of her contemporaries like Yoo Seung Ho or Shim Eun Kyung, Park Eun Bin remains a respected young actress. She continues to take on significant roles, including starring as the lead in the weekend drama Father, I'll Take Care of You on MBC.


13. Lee Se Young
Lee Se Young, Yoo Seung Ho's co-star in Memorist, also began her career as a child actor. Born in 1992, Lee first appeared on screen in 1997 in The Brothers’ River. Known for her sweet looks as a child, Lee gained widespread recognition for playing the young version of Choi Geum Young in the iconic historical drama Dae Jang Geum. As she grew up, Lee underwent a stunning transformation, turning heads with her incredible figure and captivating beauty.
Now an adult, Lee Se Young has blossomed into a stunning actress with long, slender legs and a curvaceous figure. To maintain her toned body, she revealed she does 700 squats a day. Her career took off in 2016 with a breakthrough role in Four Men, earning her the Best New Actress award at the prestigious Baeksang Arts Awards. Since then, she has become a familiar face on-screen with appearances in popular dramas like Flower of Evil, Doctor John, and Nightmare Bakery.


14. Yoo Seung Ho
Yoo Seung Ho, the beloved 'Nation's Little Brother', is no stranger to fans of Korean cinema. He first gained widespread attention as the rebellious city boy in the 2002 film The Way Home, a role that catapulted him into the spotlight. During his early years, Yoo frequently appeared in roles as a child or as the young version of key characters in popular dramas. Some of his early works include The Way Home (2002), Heart is (2006), and The Legend (2007). He began his transition to adult roles in Queen Seon Deok (2009), Lord of Study (2010), Warrior Baek Dong Soo (2011), and I Miss You (2012).
After a brief hiatus, Yoo Seung Ho made a successful return with a starring role in the school drama Master of Study, solidifying his place as a leading actor. His career truly evolved in 2016 with his mature portrayal in the drama Remember, which saw a remarkable 20% rating—a milestone many dramas can only dream of.
In 2017, Yoo Seung Ho featured in two notable projects, Ruler: Master of the Mask and I Am Not a Robot, both of which earned praise for his acting. The following year, he starred in The Player and My Strange Hero. Based on a popular webtoon, his 2020 drama Memorist topped ratings for its timeslot, with Yoo's performance as the lead in the high-stakes thriller drawing critical acclaim alongside his co-star Lee So Young.


15. Park Shin Hye
Having achieved continuous success with hit dramas across Asia, including You’re Beautiful, The Heirs, and Pinocchio, Park Shin Hye became one of Korea’s most beloved child stars. She first captured the public's attention as the young lead in the iconic series Stairway to Heaven, a role that left a lasting impact on viewers. Known for her natural and professional acting, Park Shin Hye gained immense love from audiences and respect from her colleagues for her humble, hardworking, and approachable personality. In 2013, her role as the female lead in The Heirs solidified her status as a top star, with the drama’s massive success spreading her fame across Asia.
In 2016, Park Shin Hye made a strong comeback as the female lead in the medical drama Doctor, which captivated audiences with its portrayal of love, life, and healing. Her most recent return in 2018 with the fantasy drama Memories of the Alhambra further showcased her ever-growing acting prowess, solidifying her place as one of the most successful child actors to transition into adult roles.


16. Kim So Hyun
Born in 1999, Kim So Hyun has captivated audiences with her exceptional acting skills and impressive filmography. She is a prime example of the saying, “Talent doesn’t wait for age.” Kim So Hyun began acting at just 7 years old, taking on her first antagonist role. Unlike many of her peers, she not only played lead roles but also took on villainous characters, offering audiences a unique perspective and demonstrating her natural acting ability from a very young age. She became widely known through popular Korean dramas such as Moon Embracing the Sun, School 2015: Who Are You, The Emperor: Owner of the Mask, Love Alarm, and The Tale of Nokdu.
2016 was a landmark year for Kim So Hyun, as she starred in five dramas, including the hit Let’s Fight Ghost, which kept viewers eagerly awaiting each episode. In 2017, she enrolled at Hanyang University to pursue a degree in Theatre and Film. In 2018, Kim So Hyun took on her first adult role in Radio Romance, followed by the 2019 drama adaptation of the popular webtoon Love Alarm. Known for her diligence, she releases a new project nearly every year. Her upcoming 2020 project is the highly anticipated second season of Love Alarm on Netflix.

