Royal Secret Agent () is a South Korean historical comedy, detective television series. The series is directed by Kim Jung-min and stars Kim Myung-soo, Kwon Nara, Lee Tae-hwan, Lee Yi-kyung, and Jo Soo-min. Written by Kang Min-sun and Park Sung-hoon the series is about a government position of Joseon known as secret royal inspector, who monitors corrupt government officials while remaining undercover. It aired on KBS2 every Monday and Tuesday at 21:30 (KST) from December 21, 2020, to February 9, 2021.
Set in the Joseon period, the series revolves around Sung Yi-gyum (Kim Myung-soo), a state examination top scorer who works in the administrative and research department of the government office. He is caught gambling and as punishment, he is reassigned to a new position as a secret royal inspector to investigate the corrupt practices of public officers. Yi-gyum carries out his new job with the help of Hong Da-in (Kwon Nara), a female inspector, and Park Chun-sam (Lee Yi-kyung), his talkative but affectionate servant.
By July 2020, the main cast of the series with Lee Tae-hwan, Kim Myung-soo, Kwon Nara and Lee Yi-kyung was finalized. The broadcastÃÂ was initiallyÃÂ scheduled to be premiered onÃÂ November 2,ÃÂ 2020,ÃÂ butÃÂ due to re-proliferation ofÃÂ COVID-19,ÃÂ the production was delayed. In October, group script reading was held. The still photos in the period costume, from the set of series were released by KBS as the filming progressed.
As per the audience rating of AGB Nielsen Media Research, the second part of the final episode, recorded 14% average TV viewership ratings. This is the highest record for its ratings.
The series is available same time as Korea, as an iQIYI Original and exclusively on iQIYI globally (except China and Korea) with multi-languages subtitles. It is also available non-exclusively on iQIYI in South Korea.