Undercover High School background backdrop on NexFlixy

TV Series

Undercover High School

8.0 2025 70m KO 1 Season

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.

Action & AdventureComedyDrama
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Featured performers

Featured Cast

Seo Kang-joon
Seo Kang-joonJeong Hae-sung
Jin Ki-joo
Jin Ki-jooOh Su-ah
Kim Shin-rock
Kim Shin-rockSeo Myung-ju
Kim Min-ju
Kim Min-juLee Ye-na
Yoon Ga-i
Yoon Ga-iPark Mi-jung
Kim Young-ah
Kim Young-ahIm Chung-ha
Lee Hyun So
Lee Hyun SoHan Seung-jae
Yun Chae-bin
Yun Chae-binYun Chae-rin
Kim Sun-min
Kim Sun-minJi Hyeon-jun
Kim Seung-beom
Kim Seung-beomKim Ho-jin
Kang Pil-jun
Kang Pil-junSon Beom-Sik

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