Kim Hye-yoon Cast as Lead in Upcoming Film High School Detective
Rising star Kim Hye-yoon has officially been cast as the lead actress in the highly anticipated movie High School Detective. According to reports on December 7, the talented actress will take center stage in this youthâdriven crime drama, which follows the gripping story of a police officer who goes undercover at a high school. While the premise may sound straightforward, insiders hint that the film hides unexpected twists and shocking revelations that will keep audiences on the edge of their seats.
A Career Built Step by Step
Industry insiders praise Kim Hye-yoon for her steady climb in the entertainment world. From small supporting roles to commanding lead performances, she has consistently proven her ability to captivate viewers. Even in projects where her screen time was limited, her presence left a lasting impression. Her breakthrough came with the 2022 film The Girl on a Bulldozer, where she flawlessly portrayed a rebellious, roughâaroundâtheâedges character. The performance earned her rave reviews from critics and audiences alike, sweeping six awards at major film festivals and cementing her reputation as one of Koreaâs most promising young talents.
Youthful Charm Meets Versatile Acting
Born in 1996, Kim Hye-yoon has now entered her thirties, yet she continues to charm fans with her youthful appearanceâso much so that she can convincingly wear a school uniform on screen. A graduate of Konkuk Universityâs Department of Film Studies, she built her career through persistence and dedication. After years of supporting roles, she skyrocketed to fame with JTBCâs SKY Castle in 2018, a drama that became a cultural phenomenon. She then solidified her leadingâlady status in MBCâs Extraordinary You (2019), and more recently impressed audiences in tvNâs Lovely Runner (2024).
With High School Detective, Kim returns to her signature genre of youth dramas, a space where she has consistently thrived. Fans and critics alike are eager to see how she will bring depth and charisma to this undercover detective role.

Packed Schedule Ahead
Kim Hye-yoonâs career shows no signs of slowing down. She is confirmed to star in SBSâs upcoming dramas Starting Today, I Am Human and Good Partner 2, both set to air next year. On the film side, she is also preparing for roles in Salmokji (working title) and Land. While 2024 saw her focusing entirely on filming rather than releasing new projects, 2025 is shaping up to be a year filled with premieres, ensuring fans will see plenty of her on both the big and small screens.
Why This Casting Matters
Kim Hye-yoonâs casting in High School Detective is more than just another roleâitâs a continuation of her journey from breakout star to established leading actress. Her proven ability to embody complex characters, combined with her youthful charm and strong screen presence, makes her the perfect fit for a film that blends mystery, suspense, and the energy of youth.






