Actor · South Korea
Kim Hye Yoon
김혜윤
Kim Hye-yoon is a South Korean actress who broke through playing Kang Ye-seo in SKY Castle (2018) and later took the lead role in the fantasy romance drama Extraordinary You (2019).
Biography
Kim Hye Yoon, born on November 10, 1996, in Seongnam, South Korea, began her acting journey in her teenage years, taking on minor roles in dramas and films. She gradually gained recognition through these smaller parts, showcasing her potential as an actress. Her breakthrough came with the 2018 drama Sky Castle, where she played the determined and ambitious character Kang Ye-seo. Her powerful portrayal earned her widespread praise from audiences and critics. This role became a turning point in her career and helped her emerge as one of South Korea's promising young actresses.
Following her success in Sky Castle, Kim Hye Yoon took on the lead role in the 2019 fantasy romance drama Extraordinary You. She portrayed Eun Dan-oh, a high school girl who discovers she is merely a character in a comic book and decides to take control of her own fate. Her performance in Extraordinary You highlighted her range as an actress, as she balanced comedy, romance, and moments of introspection. This role earned her several awards, and she became a beloved figure among fans, particularly younger audiences drawn to her character's struggle for independence.
In 2021, Kim Hye Yoon expanded her repertoire by joining the highly anticipated series Snowdrop, where she starred alongside popular idols and actors, including BLACKPINK's Jisoo and Jung Hae In. Her character was notably complex, adding depth to the show's historical backdrop and tragic storyline. Despite the controversies surrounding Snowdrop, her performance was praised for its emotional impact and commitment, proving her dedication to challenging roles and her desire to diversify her acting portfolio.
Kim Hye Yoon's rise in the entertainment industry continues to draw attention. Known for her hard work, humility, and dedication to her craft, she has quickly become one of South Korea's most versatile young actresses. Her journey from small roles to leading lady status reflects years of steady work and consistent choices across a range of genres. Fans and critics alike look forward to her future projects, as she continues to take on both mainstream and complex roles in Korean entertainment.
Profile data
- Stage name
- Kim Hye Yoon
- Native name
- 김혜윤
- Nationality
- South Korean
- Gender
- Female
- Date of birth
- 10 November 1996
- Age
- 29
- Birthplace
- Seongnam, Gyeonggi Province, South Korea
- Zodiac
- Scorpio
- Chinese zodiac
- Rat
- Height
- 160 cm (5'3")
- Children
- None
- Portrait source
- TMDB API
- Rights holder
- TMDB / respective copyright holder
- Usage basis
- Editorial use via TMDB API, non-commercial reference
- Metadata source
- TMDB, Wikipedia, and other sources cited in the record
- Last updated
- 29 September 2026
- Editor
- Claude (AI content review)
About Kim Hye Yoon
Hobbies
- Reading Books: Kim Hye Yoon loves to read in her free time, particularly novels and motivational books. Reading helps her relax and broaden her imagination, which also aids her in understanding different character perspectives.
- Drawing and Sketching: She enjoys drawing and sketching as a creative outlet. This hobby allows her to express herself artistically and serves as a meditative escape from her busy schedule.
- Watching Films: As an actress, Kim Hye Yoon is a fan of watching films across various genres. She finds it both enjoyable and educational, analyzing performances and techniques that can enhance her own acting.
- Traveling: She loves exploring new places, both within South Korea and internationally. Kim finds inspiration and relaxation through travel, enjoying the chance to experience different cultures and scenery.
- Cooking and Baking: Kim Hye Yoon likes experimenting in the kitchen and enjoys cooking and baking as a fun way to de-stress. She often tries new recipes and enjoys sharing homemade treats with friends and family.
Facts
- Breakthrough Role in Sky Castle: Her role as Kang Ye-seo in Sky Castle earned her national fame and several awards, marking her as a rising star in Korean drama.
- Award-Winning Performance in Extraordinary You: She won several awards for her portrayal of Eun Dan-oh, a character fighting against her pre-written fate in a comic book.
- Studied Film and Theater: Kim Hye Yoon pursued her education in Film and Theater at Konkuk University, enhancing her understanding of the industry and her skills as an actress.
- Late Debut Compared to Peers: Though she started as a child actress, her major recognition came later than many, making her career journey unique in the Korean entertainment world.
- Proficiency in English: Kim is known for her proficiency in English, which she has been practicing since her school days. This skill helps her connect with international fans more easily.
Funny moments
- Unintentionally Clumsy: Known to trip or bump into things on set, Kim’s clumsiness is endearing and often brings laughter to those around her.
- Afraid of Bugs but Loves Nature: She loves spending time outdoors but has an amusingly exaggerated fear of bugs. Her reactions are often a source of entertainment for her friends.
- Laughter on Set: Kim is known for her contagious laughter on set. She often gets into laughing fits that sometimes delay shooting, which her co-stars find charming.
- Accidentally Uses Character Phrases: After intense filming, she sometimes continues to use her character’s catchphrases off-set, which her friends find amusing.
- Playful Mimicry: She loves to imitate the facial expressions and gestures of her co-stars, often lightening the mood on set with her humorous mimicry.
Fears and dislikes
- Public Speaking: Despite her on-screen confidence, Kim feels nervous about public speaking and prefers acting over addressing large audiences directly.
- Height Phobia: She has a fear of heights, which can make filming elevated scenes challenging. She usually avoids high places when possible.
- Letting Down Fans: Kim Hye Yoon holds a strong sense of responsibility toward her fans and fears not meeting their expectations, motivating her to deliver her best in every role.
- Stage Performances: Although she is confident on camera, live stage performances make her anxious. She feels more comfortable in front of the camera than on a live stage.
- Fear of Being Misunderstood: Kim values clear communication and worries about being misunderstood, particularly in her professional life. This makes her thoughtful about her words and actions.
Kim Hye Yoon shows and movies
Main roles 2 titles
Supporting roles 1 title
Guest appearances 6 titles
Drama
2020
Variety
2018
Film
2017
Drama
2017
Drama
2013
Variety
2011
Other credits 18 titles
Film
2022
Film
2021
Drama
2021
Film
2020
Drama
2020
Film
2019
Film
2019
Drama
2018
Drama
2017
Drama
2017
Drama
2017
Film
2016
Drama
2016
Film
2013
Drama
2012
Drama
1970
Film
Frequently worked with
Counted from shared credits across the database, most shared titles first.
