Insider () is a 2022 South Korean television series starring Kang Ha-neul, Lee Yoo-young, and Heo Sung-tae. It aired from June 8 to July 28, 2022 on JTBC's Wednesdays and Thursdays at 22:30 (KST) time slot for 16 episodes.
Synopsis
The series revolves around a judicial trainee whose life turns upside down when he goes on an undercover investigation, and ends up struggling to try to recover his normal life.
Cast
Main
Kang Ha-neul as Kim Yo-han, a judicial trainee who lives with his grandmother alone. He goes to jail for an undercover investigation at the suggestion of senior prosecutors. Lee Yoo-young as Oh Soo-yeon, a successful businesswoman who made a great fortune through her connections. Um Chae-young as young Oh Soo-yeon Heo Sung-tae as Yoon Byung-wook, the chief prosecutor of the 2nd Division of Financial Tax Investigation at the Central District Prosecutors' Office.
Supporting
People around Kim Yo-han
Kim Si-eun as Park Ro-sa, a police officer. Moon Sung-keun as Do Won-bong, the outcast king who once shook the political and financial world. Ye Soo-jung as Shin Dal-soo, Kim Yo-han's grandmother.
Prosecutors' Office
Yoo Jae-myung as Noh Young-guk, director of the Judicial Research and Training Institute. Kim Sang-ho as Mok Jin-hyung, the chief prosecutor of Northern District Prosecutors' Office. Park Sung-geun as Hong Sang-wook, the chief of the investigation division at the Supreme Prosecutors' Office. Kang Shin-hyo as Hong Jae-sun, Hong Sang-wook's son and classmate of Kim Yo-han.
Seongju Prison
Sung Ji-ru as Heo Sang-soo, director of Seongju Prison. Kang Young-seok as Jang Seon-oh, a gambling genius who took over the Seongju Prison. Choi Dae-hoon as Noh Seung-hwan Jo Hee-bong as Ryu Tae-hoon Choi Moo-sung as Song Doo-cheol Cha Yeop as Kim Gil-sang Han Jae-young as Jo Hae-do Yoon Byung-hee as Kim Woo-sang Han Gyu-won as Uhm Ik-soo
Seocho-dong Cartel
Heo Dong-won as Yang Jun
Jung Man-sik as Yang Hwa
Kim Ji-na as Jin Su-min (Director Jin)
Extended
Song Jae-hee as Kim Tae-soo, Kim Yo-han's father. Choi Ki-beom as a prisoner in the same cell as Kim Yo-han. Kim Min-seung as Woo Min-ho Jung Hwi-wook as Kwon Dae-il Lee Ki-chan as Woo Sang-gi Han Seong-su as Lee Tae-kwang Han Bo-reum as Annie Stephen Yoo Ha-bok as Kim Jeong-gyu Lee Ha-yool as Kim Woo-jae
Special appearances
Jung Woong-in as a second generation chaebol
Fan Bingbing as Lam, the representative of the Macau Triad.
Production and release
It was reported that the first script reading of the cast was held on May 21, 2021.
The series was initially scheduled for release in the second half of 2021, but was pushed back to 2022.