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Undercover High School

Undercover High School

8.0/10 2025 1h 10m 1 Seasons Ended
Action & AdventureComedyDrama

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.

Director: Choi Jeong-in Creator: Im Young-bin
Watch Now Trailer

Top Cast

Seo Kang-joon
Seo Kang-joon
Jeong Hae-sung
 Jin Ki-joo
Jin Ki-joo
Oh Su-ah
 Kim Shin-rock
Kim Shin-rock
Seo Myung-ju
 Kim Min-ju
Kim Min-ju
Lee Ye-na
 Yoon Ga-i
Yoon Ga-i
Park Mi-jung
 Kim Young-ah
Kim Young-ah
Im Chung-ha
 Lee Hyun So
Lee Hyun So
Han Seung-jae
 Yun Chae-bin
Yun Chae-bin
Yun Chae-rin
 Kim Sun-min
Kim Sun-min
Ji Hyeon-jun
 Kim Seung-beom
Kim Seung-beom
Kim Ho-jin
 Kang Pil-jun
Kang Pil-jun
Son Beom-Sik

Seasons

Season 1
Season 1 12 eps

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