Kim Hye-yoon was born on 1996-11-10 in Seoul, South Korea. She pursued her passion for acting early on and studied film at Konkuk University. Her career began with small roles in dramas, but she gained widespread recognition through her role as Kang Ye-seo in Sky Castle, which showcased her ability to portray complex emotions and earned her critical acclaim.
Following her breakthrough, she starred in Extraordinary You (2019), where she played the lead role of Eun Dan-oh, further solidifying her reputation as a versatile actress. Kim has since appeared in films and series across genres, balancing youthful romance with intense dramatic roles. She is admired for her dedication, expressive acting, and ability to connect with audiences.