Undercover High School

Series · 2025 TMDB 8.0 67 votes

Ace NIS agent Jung Hae-seong is demoted after a mission failure. He goes undercover at a high school to locate King Gojong's missing gold, meeting his teacher Oh Soo-ah, who sees him as her lost first love, stirring old heartbreak.

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Created by

Im Young-bin Choi Jeong-in

Network

MBC

S01 / Episode guide

Season 1

Episodes12

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In progress

Principal cast

All people involved

Seo Kang-joonJeong Hae-sung

Jin Ki-jooOh Su-ah

Kim Shin-rockSeo Myung-ju

Kim Min-juLee Ye-na

Yoon Ga-iPark Mi-jung

Kim Young-ahIm Chung-ha

Lee Hyun SoHan Seung-jae

Yun Chae-binYun Chae-rin

Kim Sun-minJi Hyeon-jun

Kim Seung-beomKim Ho-jin

Kang Pil-junSon Beom-Sik

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Production information and reference links

Premiere date 2025-02-21

Countries South Korea

Reference links

Official site IMDb

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