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Royal Secret Inspector Joy

Korean Drama Royal Secret Inspector Joy: Cast, Synopsis, Trivia

Inspector Joy starring Ok Taecyeon and Kim Hye Yoon

General Information

  • International Title: Royal Secret Inspector Joy
  • Original Title: 어사와 조이 (romanization: Eosa wa joi)
  • Genre: Romance, Comedy
  • No. of Episode: 16
  • Airing Date: 2021.11.01 ~ 2021.12.21
  • Airing Slot: Monday – Tuesday at 22:30
  • Broadcasting Channel: tvN
  • International Distributor: iQIYI
  • Starring: Ok Taecyeon, Kim Hye Yoon
  • Director: Yoo Byeong Sul
  • Screenwriter: Lee Jae Yoon, Kim So Yi
  • Highest Rating: TBA
  • Awards: TBA


Set in the Joseon period, ‘Royal Secret Inspector Joy’ revolves around a royal secret inspector and a divorced woman. Ra Yi Eon (Taecyeon) is a smart but laid-back man who wishes to live a simple life. He unexpectedly passed the civil servant test and got recruited as a royal secret agent.

On the other hand, Kim Jo Yi (Kim Hye Yoon) is a free-spirited and passionate young woman who wants to divorce his gamble-addicted husband. She doesn’t afraid of facing criticism despite divorcing was considered a disgrace during the Joseon period.

The two persons of opposite personalities join forces to investigate cases that occur in the country.



Character: Ra Yi Eon
Portrayed by: Ok Taecyeon
Ok Taecyeon’s notable works: Dream High (2011), Who Are You? (2013), Beautiful Days (2014), Let’s Fight Ghost (2016), Save Me (2017), Vincenzo (2021)


Character: Kim Jo Yi
Portrayed by: Kim Hye Yoon
Kim Hye Yoon’s notable works: Sky Castle (2018), Extraordinary You (2019), Midnight (2021), Snowdrop (2021)

Extended Cast

Lee Jae Kyoon as Park Tae Seo
Jung Bo Suk as Park Seung
Jung Soon Won as Cha Mal Jong
Lee Sang Hee as Gwang Soon
Choi Tae Hwan as Park Do Soo
Kim Hyun Joon as Ji Maeng Soo
Cha Yub as Hong Seok Ki
Min Jin Woong
Chae Won Bin
Cho Kwan Woo
Park Gang Sup
Park Choong Sun

Cameo & Special Appearance

Lee Joon Hyuk as Crown Prince

Character Relationship Chart


Original Soundtrack


Trailer Videos

1st Teaser
2nd Teaser
3rd Teaser

Awards & Nominations



  • This is Taecyeon’s first sageuk/ period drama.
  • The first filming took place in Munkyung City on June 2nd, 2021.
  • Ra Yi Eon role was first offered to actor Jo Byung Gyu, while Joy role was offered to Jung So Min.
  • Kim Hye Yoon co-star with an idol turned actor again for this project, previously she has acted with Chani and Rowoon of SF9.

What do you think?


Written by StumbledUpon99

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