|Education||Konkuk University - Film Arts|
|Agent||SidusHQ (2019 - present)|
|Revised Romanization||Gim Hye-yun|
Kim Hye-yoon debuted as an actress with 2013 KBS2 TV Novel's Samsaengi, as the teenage era of a supporting character. After landed a memorable role in 2014 OCN's thriller Bad Guys, Kim focused her attention on study and only made guest appearance for several works, as she received full scholarship in 2015 to Konkuk University, one of Korea's leading universities.
It was after she finished college (graduation ceremony in February 2019), that Kim began auditioning for bigger roles, including for JTBC's satire drama Sky Castle. The massive success of the series and her distinctive role as an ambitious and unfriendly but ladylike high school girl, launched her to stardom.
|2017||Memoir of a Murderer||Maria|
|2013||Samsaengi||teenage Jung Yoon-hee||KBS2|
|I Can Hear Your Voice||high school girl Kim Yeon-jin||SBS|
|2014||Pride and Prejudice||Kang Han-na||MBC|
|Bad Guys||Oh Ji-yeon||OCN|
|2016||Guardian: The Lonely and Great God||The young era of a widowed old lady||tvN||Ep. 15|
|2017||Tunnel||young Kim Young-ja||OCN|
|Man in the Kitchen||Jung Soo-ji||MBC|||
|2018||Come and Hug Me||Yeon-sil|
|Sky Castle||Kang Ye-seo||JTBC|
- [단독] 'SKY캐슬' 예서 역 김혜윤, 싸이더스HQ 行…김유정 한솥밥. news1 (in Korean). 21 January 2019. Retrieved 2019-01-20.
- "Kim Hye-yoon signs with Sidus HQ". Korea JoongAng Daily. 22 January 2019.
- '나쁜 녀석들' 김혜윤 "연기 롤모델 김상중 아닌 손현주"(인터뷰). Star News (in Korean). 30 December 2014. Retrieved 2019-01-20.
- 대학 합격하고 모범생처럼 ‘또박또박’ 합격 소감 전한 ‘SKY 캐슬’ 김혜윤 과거 모습. Insight Korea (in Korean). 10 January 2019. Retrieved 2019-01-20.
- ‘SKY캐슬’ 김혜윤 “밉상? 너무 미움 받지 않았으면”(인터뷰). E Daily (in Korean). 14 December 2018. Retrieved 2019-01-20.
- ‘SKY 캐슬’ 김혜윤 “예서 응원하는 반응, 전혀 예상 못해”[EN:인터뷰]. Newsen (in Korean). 17 December 2018. Retrieved 2019-01-20.
- "(Yonhap Interview) Kim Hye-yoon's acting career takes off with first major TV role on Sky Castle". Yonhap. 5 February 2019.
- [스브스타] "예서였어?" '도깨비'에 출연했던 'SKY캐슬' 김혜윤. SBS (in Korean). 16 January 2019. Retrieved 2019-01-20.
- [어게인TV]‘밥차남’ 박진우♥서효림 위기…김혜윤의 협박. The Korea Herald (in Korean). 29 January 2018. Retrieved 2019-01-20.