Untouchable (South Korean TV series)

Untouchable is a 2017 South Korean television series starring Jin Goo, Kim Sung-kyun, Jung Eun-ji and Go Joon-hee. It aired on JTBC from November 24, 2017 to January 20, 2018, every Friday and Saturday at 23:00 (KST) for 16 episodes.

Synopsis
Untouchable is the story of power games and hidden secrets of the Jang family who has ruled the city of Bukcheon for three generations.

Main

 * Jin Goo as Jang Joon-seo, a detective squad chief and the second son of Jang clan who chases after the truth behind the death of his wife.
 * Kim Sung-kyun as Jang Ki-seo, Joon-seo's older brother who turns corrupt like his father in order to survive.
 * Jung Eun-ji as Seo Yi-ra, a prosecutor.
 * Go Joon-hee as Goo Ja-kyung, Ki-seo's wife who is the only daughter of a former president.

Jang family

 * Park Geun-hyung as Jang Beom-ho
 * Choi Jong-won as Goo Yong-chan
 * Son Jong-hak as Jang Beom-sik
 * Lee Jae-won (actor) as Jang Gyu-ho
 * Shin Jung-geun as Yong Hak-soo
 * Ye Soo-jung as Park Young-sook

Police department

 * Jin Kyung as Jung Yoon-mi
 * Park Won-sang as Go Soo-chang
 * Bae Yoo-ram as Choi Jae-ho
 * Lim Hyun-sung as Lee Sung-kyun
 * Park Ji-hwan as Goo Do-su

Others

 * Kyung Soo-jin as Yoon Jung-hye
 * Ji Yoon-ha as Yoo Na-na
 * Kim Ji-hoon (actor born 1979) as Jo Taek-sang
 * Jo Jae-ryong as Joo Tae-seob

Production

 * The series is set in a fictional city called Bukcheon.
 * The first script reading of the cast was held on August 17, 2017 at JTBC building in Sangam-dong.