CinemaOSSeries · 2025 · 1 Season
Undercover High School
80%(65)IMDbAction & 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.

Created byIm Young-bin, Choi Jeong-in

Play
Status
Ended
Language
KO
First aired
February 21, 2025
Last aired
March 29, 2025
Seasons
1
Episodes
12
Network
MBC

Season 1

Episodes

No episodes found for this season.

Featuring

Cast & crew

10 credited
Starring
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

Creative team
Created by
Im Young-bin
Choi Jeong-in
Written by
Im Young-bin

Keep watching

More like this

A Sharply Graceful Girl7.5

A Sharply Graceful Girl

2018 · Series

Thicha7.0

Thicha

2024 · Series

Girl Rules8.6

Girl Rules

2026 · Series

Reading Class

Reading Class

Series

Bone Scent

Bone Scent

2026 · Series

The Boy Next World: My Destiny7.2

The Boy Next World: My Destiny

2026 · Series

Hard Nights

Hard Nights

2026 · Series

The Invisible Man and His Soon-to-Be Wife7.7

The Invisible Man and His Soon-to-Be Wife

2026 · Series

Veil of Shadows8.3

Veil of Shadows

2026 · Series

My Ambulance7.3

My Ambulance

2019 · Series

A Day Before Us6.4

A Day Before Us

2018 · Series

Chiquinha Gonzaga8.1

Chiquinha Gonzaga

1999 · Series

Desejo8.5

Desejo

1990 · Series

My Country: The New Age6.9

My Country: The New Age

2019 · Series

Oh! My Goddess6.3

Oh! My Goddess

1993 · Series

Vitória6.5

Vitória

2014 · Series

Tereza Batista8.5

Tereza Batista

1992 · Series

Flourish in Time8.3

Flourish in Time

2021 · Series

Until We Meet Again9.0

Until We Meet Again

2016 · Series

Mazha Thorum Munpe8.0

Mazha Thorum Munpe

2025 · Series

Picked for you

Recommended shows

La Femme Nikita7.4

La Femme Nikita

1997 · Series

Agent Kim Reactivated8.5

Agent Kim Reactivated

2026 · Series

Dark Blue6.9

Dark Blue

2009 · Series

Legends7.6

Legends

2026 · Series

Lethal Weapon7.3

Lethal Weapon

2016 · Series

The Old Man7.2

The Old Man

2022 · Series

Taxi Driver8.2

Taxi Driver

2021 · Series

Treason6.8

Treason

2022 · Series

Flex X Cop7.6

Flex X Cop

2024 · Series

Alex Rider7.8

Alex Rider

2020 · Series

Taken6.5

Taken

2017 · Series

Citadel6.9

Citadel

2023 · Series

Marvel's The Punisher8.2

Marvel's The Punisher

2017 · Series

Kung Fu7.5

Kung Fu

2021 · Series

Who Is Erin Carter?7.0

Who Is Erin Carter?

2023 · Series

The Unit7.4

The Unit

2006 · Series

Pretty Hard Cases6.2

Pretty Hard Cases

2021 · Series

Archer7.9

Archer

2009 · Series

Nemesis7.7

Nemesis

2026 · Series

MacGruber6.1

MacGruber

2021 · Series