Undercover High School poster

TV Series

Undercover High School (2025)

TMDB user score 8.0/10
from 67 votes on TMDB

Where to watch Trailer Compare

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.

Where to watch Undercover High School

Stream with a subscription

  • Rakuten Viki
  • OnDemandKorea
  • Kocowa Amazon Channel
  • Kocowa

Free with ads

  • Rakuten Viki

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Teaser

Play: [1차티저] 국정원 요원 서강준, 고등학교에 잠입한다!, MBC 250221 방송

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Seasons

Series cast

  • Seo Kang-joon Seo Kang-joon Jeong Hae-sung 12 episodes
  • Jin Ki-joo Jin Ki-joo Oh Su-ah 12 episodes
  • Kim Shin-rock Kim Shin-rock Seo Myung-ju 12 episodes
  • Kim Min-ju Kim Min-ju Lee Ye-na 12 episodes
  • Yoon Ga-i Yoon Ga-i Park Mi-jung 12 episodes
  • Kim Young-ah Kim Young-ah Im Chung-ha 12 episodes
  • Lee Hyun So Lee Hyun So Han Seung-jae 12 episodes
  • Yun Chae-bin Yun Chae-bin Yun Chae-rin 12 episodes
  • Kim Sun-min Kim Sun-min Ji Hyeon-jun 12 episodes
  • Kim Seung-beom Kim Seung-beom Kim Ho-jin 12 episodes
  • Kang Pil-jun Kang Pil-jun Son Beom-Sik 12 episodes
  • Su Hyun Su Hyun [Student] 1 episode

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