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Royal Secret Agent

Royal Secret Agent: Kim Myung Soo, Kwon Na Ra, Lee Yi Kyung

royal secret agent kdrama
Credit: KBS2

General Information

  • International Title: Royal Secret Agent/ Secret Royal Inspector: Joseon Secret Investigation Team
  • Original Title: 암행어사: 조선비밀수사단 (romanization: Amhaengeosa: Joseonbimilsusadan)
  • Genre: Historical, Comedy, Drama
  • Episode: 16
  • Airing Date: 2020.12.21 ~ 2021.02.09
  • Airing Slot: Monday & Tuesday 21:30 KST
  • Broadcasting Channel: KBS2
  • International Distributor: iQiyi, Wavve
  • Starring: Kim Myung Soo, Kwon Na Ra, Lee Yi Kyung
  • Director: Kim Jung Min
  • Writer: Park Sung Hoon & Kang Min Sun
  • Highest Rating: 14.0% (Nationwide)
  • Awards: N/A


Royal Secret Agent KDrama portrays the secret inspector team of Joseon Dynasty era. Sung Yi Gyum works at administrative and research department of government office. Because he is caught gambling, he receives a punishment to be secret royal inspector. His mission is to investigate corruptions among public officers. In order to accomplish the mission, he is helped by female inspector, Hong Da In, and his talkative loyal servant, Park Chun Sam.

Main Cast

royal secret agent kdrama kim myung soo
Credit: KBS2

Character name: Sung Yi Gyum
Actor name: Kim Myung Soo
Kim Myung Soo’s notable works: Angel’s Last Mission: Love, Ms. Hammurabi, The Emperor: Owner of the Mask, The Time We Were Not In Love, The Master’s Sun, etc

royal secret agent kdrama kwon na ra

Credit: KBS2

Character name: Hong Da In
Actress name: Kwon Na Ra
Kwon Na Ra’s notable works: Immortality, Itaewon Class, Doctor Prisoner, My Mister, Suspicious Partner, In Need of Romance 3, etc

Secret Royal Inspector: Joseon Secret Investigation Team lee yi kyung
Credit: KBS2

Character name: Park Chun Sam
Actor name: Lee Yi Kyung
Lee Yi Kyung’s notable works: Welcome to Waikiki 2, Children of Nobody , Partners for Justice, Suits, Welcome to Waikiki, Go Back Couple, Descendants of the Sun, My Love From the Star, School 2013, etc

Extended Cast

Lee Tae Hwan as Sung Yi Beom
Jo Soo Min as Kang Soon Ae
Ahn Nae Sang as Jang Tae Seung
Son Byong Ho as Kim Byeong Geun
Chae Dong Hyun as Kim Man Hee
Yum Dong Hun as Jo Pil Ha
Hwang Dong Joo as King
Shin Ji Hoon as Choi Do Gwan
Ha Young as Kim Mi Ok
Park Joo Hyung as Seo Yong
Lee Kun Goo as Seo Yong’s subordinate
An Se Ha as Eunuch Kim
Song Kyung Hwa as Court Lady Kim
Jong Ho as Man Deok
Seo Sang Won as Gap Sik
Lee Young as bandit
Park Dong Bin as Jeon Gye Su
Kim Jae Il as Gun Joo
Choi Jong Won as Kang In Chung
Han Jae Suk as Kang Jong Gil
Lee Seung Won as tax collector
Kim Ju Young as Sa Wol

Cameo & Special Appearances

Park Da An as tax levied widower
Sun Woo Jae Duk as Prince Hwiyeong
Kang Yoon as Kim Dae Gwang
Cho Deok Hoe as Jeong Mun Ho
Choi Young Woo as Park Wu Min
Kim Myung Soo as Governor Kim Myeong Se
Yoon Ki Won as Bae Moo Ryong
Jung Jong Woo as captain
Park Young Soo as Merchant Kwon
Jang Won Young as Governor Byun Hak Soo

Character Relationship Chart


Original Soundtrack

“I’ll Find You” by N.Flying
“My Love” by Lee Sun
“Even if it accidentally passes” by ALICE (Song Joo-hee)

Teaser & Trailer Videos

Awards & Nominations



  • Royal Secret Agent KDrama takes over KBS2 Zombie Detective time slot on Monday and Tuesday
  • This drama is directed by Kim Jung Min who previously directed some historical dramas such as Queen: Love and War, Grand Prince, Gunman in Joseon, The Princess’ Man
  • It becomes Kim Myung Soo’s last drama before military enlistment
  • This is first Kwon Na Ra‘s historical drama
  • Kim Myung Soo did several preparations for his role such as training at action academy and horse riding

What do you think?


Written by 고나나

A quirky dark academian

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