All you need to know about the plot, cast and episode release schedule of Undercover High School, the latest spy action ...

What happens when a National Intelligence Service (NIS) agent exchanges his government duties for a school uniform? Seo Kang ...

Undercover High School is a formulaic but very watchable high school series with a spy-action-mystery twist. It is also a prime example of how much suspension of disbelief is necessary while ...

Undercover High School, starring Seo Kang-joon and Jin Ki-joo, dropped episodes 1 and 2 on MBC on February 21 and 22, 2025. Undercover High School follows the story of a transferred student named ...

Undercover High School starring Jin Ki-joo and Seo Kang-joon ... As the two went inside director Seo Myeong-joo's office to play the piano, they learned that a specific key did not make a sound ...

Seo Kang-jun appeared as National Intelligence Service agent Jeong Hae-seong, who disguised himself as a high school student ...