The Lies Within

The Lies Within is a 2019 South Korean television series starring Lee Yoo-young and Lee Min-ki. Based on a novel by Joo Won-gyu, it was developed and produced by Studio Dragon for OCN. It aired from October 12 to December 1, 2019.

Synopsis
The story of a woman who joins the National Assembly and teams up with a detective to save her husband after he abruptly disappears following the sudden death of her father.

Main

 * Lee Min-ki as Jo Tae-sik, a once enthusiastic detective who now lives a completely different life and has requested appointment at a rural police station.
 * Lee Yoo-young as Kim Seo-hee, the youngest daughter of an assemblyman who appears sophisticated, but is a disappointment at home due to her family's high standards set by her older sister.

Supporting

 * Lee Joon-hyuk as Jung Sang-hoon, Seo-hee's husband who disappeared mysteriously after her father's death.
 * On Joo-wan as Jin Young-min, the general manager of JQ Industries.
 * Lee Jun-hyeok as Yoo Dae-yong, head of the metropolitan investigation team.
 * Kim Si-eun as Kang Jin-kyung, a former member of the national track team.
 * Yun Jong-seok as Jeon Ho-gyu, an intelligent policeman who used to work at a major company.
 * Kim Jong-soo
 * Yoon Bok-in as Kim Seo-hee's mother
 * Seo Hyun-woo as In Dong-gu, a character who is willing to go to any lengths for Chairman Jeong Young-moon.
 * Kim Yong-ji as Choi Soo-yun
 * Ye Soo-jung as Coroner
 * Song Young-chang
 * Jo Ryun
 * Kim Hak-sun
 * Hong In

Production
The first script reading was held in June 2019 in Sangam-dong, Seoul.