Han Jung Hyun [Present]
Ji Jin-hee
Han Jung Hyun [Present]

“Undercover” depicts the story of Han Jung Hyun, who has been hiding his identity for a long time, and Choi Yeon Soo, a human rights lawyer who becomes the first head of the Senior Civil Servant Corruption Investigations Unit to fight for justice.
Han Jung Hyun [Present]
Ji Jin-hee
Han Jung Hyun [Present]
Choi Yeon Soo [Present]
Kim Hyun-joo
Choi Yeon Soo [Present]
Han Jung Hyun [Young]
Yeon Woo-jin
Han Jung Hyun [Young]
Choi Yeon Soo [Young]
Han Seon-hwa
Choi Yeon Soo [Young]
Im Hyeong Rak
Huh Joon-ho
Im Hyeong Rak
Do Yeong-geol
Jeong Man-sik
Do Yeong-geol
Go Yoon Joo
Han Go-eun
Go Yoon Joo
Yoo Sang Dong
Son Jong-hak
Yoo Sang Dong
Kwak Moon Heum
Song Young-gyu
Kwak Moon Heum
Lee Man Ho
Park Keun-hyong
Lee Man Ho
Min Sang Ah
Kim Soo-jin
Min Sang Ah
Han Seung-goo
Yoo Seon-ho
Han Seung-goo
It took forever before the story started progressing. It could've been easily condensed down to 7-8 episodes without sacrificing anything. The amount of plot convinces was unbelievable. A common example is whenever a piece of information is about to be revealed, it magically get sabotaged in the most blatant way there is. Throughout the entire drama it felt it was building towards something big but it never got there and the resolution of the culprits was underwhelming anyway. The drama in general was riddled with all kind of problems but the big cast was pulling it up so damn hard.
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