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Title: 언더커버 / Undercover
Genre: Action, Crime, Police
Episodes: 16 (To Be Confirmed)
Broadcast network: jTBC
Broadcast period: 2021-Apr-23 to 2021-June-12
Air time: Fridays & Saturdays 23:00


This drama is a remake of the UK television series “Undercover” that aired on BBC One from 2016-April-3 to 2016-May-15.

Han Jung Hyun (Ji Jin Hee) is an agent of National Intelligence Service (South Korea) formerly Agency for National Security Planning, who has been hiding his identity for quite sometime. Choi Yeon Soo (Kim Hyun Joo), a human rights lawyer, becomes the first head of the agency for justice. These main leading characters of the series uncover the truth, pitted against a huge force holding top position. The series tests their relationship as husband and wife when the secret life of Jung Hyun comes to fore.


Main Cast

Ji Jin Hee as Han Jung Hyun
Yeon Woo Jin as Han Jung Hyun (young)
Kim Hyun Joo as Choi Yeon Soo
Han Sun Hwa as Choi Yeon Soo (young)
Jung Man Sik as Do Young Gul
Park Doo Sik as Do Young Gul (young)
Han Go Eun as Go Yoon Joo
Kyungri as Go Yoon Joo (young)
Kim Soo Jin as Min Sang Ah
Han Bo Bae as Min Sang Ah (young)

Supporting Cast

Heo Jun Ho as Im Hyeong Rak
Kwon Hae Hyo as Oh Pil Jae
Park Geun Hyung as Lee Man Ho
Lee Han Wie as Bae Goo Taek
Lee Seung Joon as Kang Choong Mo
Hong Jin Gi as Kang Choong Mo (young)
Choi Dae Chul as Chu Dong Woo
Son Jong Hak as Yoo Sang Dong
Song Young Kyu as Kwak Moon Heum
Choi Kwang Il as Hwang Jung Ho

Production Credits

Production Companies: Story TV, jTBC Studios
Director: Song Hyun Wook
ScriptWriter: Baek Cheol Hyun, Song Ja Hoon, Jung Hye Eun

Episode Ratings

Date Episode AGB TNmS
2021-04-23 1 3.471 -
2021-04-24 2 3.785 -
2021-04-30 3 2.841 -
2021-05-01 4 3.367 -
2021-05-07 5 2.885 -
2021-05-08 6 4.243 -
2021-05-14 7 3.041 -
2021-05-15 8 4.175 -
2021-05-21 9    
2021-05-22 10    
2021-05-28 11    
2021-05-29 12    
2021-06-02 13    
2021-06-03 14    
2021-06-11 15    
2021-06-12 16    

Sources: TNmS Media Korea & AGB Nielsen Korea (Nationwide)

*** Note: This drama is aired on Pay-TV channel which has fewer viewers than Free-TV channels. So, please don’t be surprised with the low rating. ***


Related Photo

Official Site

Official Trailer
Trailer I
Trailer II

Watch Online in Viki.com (Coming Soon)


  1. 1 : Gemma Says:

    Wow!!!ji jin hee and kim hyun joo again..sooooo excited with their tandem..from I HAVE A LOVER to UNDERCOVER👍👍👍🙌🙌🙌

  2. 2 : Rena Says:

    My favorite combo😁

  3. 3 : Guy Says:

    Where can I watch this in the US? Viki, Netflix?

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  5. 5 : Flavia Vieira Says:

    i love Ji Jin Hee !!!!

  6. 6 : Cheorin Says:

    Wow, the arrogance of the NIS is on par with the CIA and FBI in the US. It’s like; how dare you ask how we spend taxpayer dollars. Transparency is for you the elected, not for us. We are establishment; our posts are by appointment; we’re the elites of government you know. Go against us—We have six ways from Sunday at getting back at you. Lol!!!

    They cast the right actor for director of NIS in this drama. He looks like a psychopath with greasy hair and oily skin.

    He put the hit on Choi Yeon Soo because she isn’t someone they want as director of CIO? Wow, this parallels the shenanigans of the IC in the US for the past 5+ years. Lol!!

  7. 7 : László Veszelovszki Says:

    The series is much better, than many people think!

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