Undercover High School
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.
Cast & Crew
Seo Kang-Joon
Jeong Hae-seong
Jin Ki-joo
Oh Soo-ah
Kim Min-ju
Lee Ye-na
Kim Shin-rock
Seo Myeong-joo
Kim Young-ah
Soo-ah's Mother
Lee Seo-hwan
Kim Hyeong-bae
Jeon Bae-soo
Ahn Seok-ho
Park Se-hyun
Ahn Yoo-jeong
Jo Bok-rae
Go Young-hoon
Yoon Ga-yi
Park Mi-jeong
Park Jin-Woo
Park Jae-moon
Lee Min-ji
Kim Ri-an
Oh Yong
Head teacher
Lee Hyun-so
Han Seung-jae
Shin Joon-hang
Lee Dong-min