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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.
Year
2025
IMDb
7.7
Episodes
12
Trailer
Cast
Seo Kang-Joon
Jeong Hae-seong
Jin Ki-joo
Oh Soo-ah
Min-joo Kim
Lee Ye-na
Shin-rock Kim
Seo Myeong-joo
Yun Chae Bin
Yoon Chae-rin
Jeon Bae-soo
Ahn Seok-ho
Jo Bok-rae
Go Young-hoon
Park Jin-Woo
Park Jae-moon
Kim Young-ah
Soo-ah's Mother
Park Se-hyun
Ahn Yoo-jeong
Yoon Ga Yi
Park Mi-jeong
Lee Seo-hwan
Kim Hyeong-bae
Min-ji Lee
Kim Ri-an
Shin Joon-hang
Lee Dong-min
Lee Hyun So
Han Seung-jae
Yong Oh
Head teacher
Yu Ji-wan
Jeong Hae-seong (Child)
Joo Suk-tae
Seung-jae’s Father
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