- Country: South Korea
- Genres: Action, Comedy, Crime
- Release: 2011-01-27
- Director: Suk-Yoon Kim
- Writers: Tak-Hwan Kim , Chun-Hyeong Lee , Lee Nam-Gyoo
- Language: Korean
- Stars: Myung-Min Kim , Dal-su Oh , Han Ji-min , Han Ji-min , Han Ji-min , Jae-yong Lee , Woo Hyeon , Ye Soo-jung , Moo-Seong Choi , In-gi Jeong , Seol-gu Lee , Kyeong-min Mun
- Runtime: 115 min
- Awards: 2 wins & 2 nominations
- AKA: 朝鮮名探偵 トリカブトの秘密 (Japan) , Detective K: Secret of Virtuous Widow (Canada) , Joseon myungtamjung: Gakshituku ggotui biil , Détective K: Le secret de la veuve vertueuse (France, French Republic) , Detective K: El secreto de la viuda honrada (Spain) , Chosun Myungtamjeong (Korea) , 朝鮮名偵探 (Taiwan) , Detective K: Secret of Virtuous Widow (United States of America) , Detective K - Im Auftrag des Königs (Germany) , Detective K: Secret of Virtuous Widow (United Kingdom) , Детектив К (Russian Federation) , Detective K (Korea) , Chosun's Detective (United States of America) , Detective K: Secret of Virtuous Widow
- Plot:
In 1782, King Jeong-jo of Joseon asks detective K to investigate a series of murders related to a case of corruption within the government.
- IMDB:tt1832381
Detective K: Secret of Virtuous Widow Cast · · · ALL
Suk-Yoon Kim
Director
Myung-Min Kim
Kim Min
Dal-su Oh
Han Seo-pil
Han Ji-min
Han Gaek-joo
Jae-yong Lee
Minister Lim
Woo Hyeon
Mr. Bang
Ye Soo-jung
Lim Jwa-soo's Wife
In-gi Jeong
Magistrate
Sung-jin Nam
King Jeong-jo
Tae-hoon Kim
Im Geo-seon
Do Yoon Kim
Policeman 2
Moo-Seong Choi
Court Priest