Where to watch Undercover in Japan
Undercover is streaming on U-NEXT in Japan. Availability checked 24 May 2026.
About Undercover
Undercover is a 2021 web series in the Crime, Drama and Action & Adventure genres, starring Ji Jin-hee, Kim Hyun-joo and Yeon Woo-jin. It spans 1 season and 16 episodes, and originally aired on JTBC. It holds an average rating of 8.4/10 from 17 viewers. Below you can see where to watch Undercover in Japan — across streaming, rental and purchase options — along with the full cast, trailer and viewer reviews.
Overview
“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.
Seasons (1)
- Season 116 episodes · 2021
Top cast
Ji Jin-hee
Han Jung Hyun [Present]
Kim Hyun-joo
Choi Yeon Soo [Present]
Yeon Woo-jin
Han Jung Hyun [Young]
Han Seon-hwa
Choi Yeon Soo [Young]
Huh Joon-ho
Im Hyeong Rak
Jeong Man-sik
Do Yeong-geol
Han Go-eun
Go Yoon Joo
Son Jong-hak
Yoo Sang Dong
Song Young-gyu
Kwak Moon Heum
Park Keun-hyong
Lee Man Ho
Kim Soo-jin
Min Sang Ah
Yoo Seon-ho
Han Seung-goo
Lee Jae-in
Han Seung-Mi
Kwon Hae-hyo
Oh Pil-Jae
Ju Seok-tae
Park Won-Jong
Nam Sung-jin
Cha Min-Ho
Lee Seung-joon
Kang Chung-Mo
Choi Dae-chul
Chu Dong-Woo
Lee Han-wi
Bae Goo-Taek
Bae Yoon-kyung
Song Mi-Sun
Frequently asked questions
Where can I watch Undercover in Japan?+
In Japan, you can stream Undercover on U-NEXT.
Is Undercover on Netflix?+
Undercover is not on Netflix in Japan right now, but you can stream it on U-NEXT.
How many seasons of Undercover are there?+
Undercover has 1 season and 16 episodes in total.
Who stars in Undercover?+
Undercover stars Ji Jin-hee, Kim Hyun-joo, Yeon Woo-jin, Han Seon-hwa and Huh Joon-ho.
When did Undercover come out?+
Undercover is a 2021 web series.
What genre is Undercover?+
Undercover is Crime, Drama, Action & Adventure and Mystery series.
User reviews
No reviews yet — be the first to review Undercover.
