Judge vs. Judge

Judge vs. Judge  is a 2017 South Korean television series starring Park Eun-bin, Yeon Woo-jin, Dong Ha and Na Hae-ryung. It aired on SBS TV from November 22, 2017 to January 11, 2018, every Wednesday and Thursday at 22:00 (KST) for 32 episodes.

Synopsis
The story of a fiery judge Lee Jung-joo (Park Eun-bin) who fights to reveal innocence of her older brother who was framed for rape and murder and got killed while trying to acquit himself.

Main

 * Park Eun-bin as Lee Jung-joo/Choi Jung-joo, a hot-tempered judge who is incapable of holding her emotions to vent shameless defendants with unspeakable words. She presides at the Seoul District Court.
 * Yeon Woo-jin as Sa Eui-hyeon, a righteous independent judge who is excellent in his use of law and ethics to reach judgement. He is assigned to the same division as Lee Jung-joo.
 * Dong Ha as Do Han-joon, a prosecutor who graduated with Sa Eui-hyeon at the top of his class.
 * Na Hae-ryung as Jin Se-ra, an intelligent third generation chaebol who is a law school student and a former idol singer.

People at Korea University Law School

 * Heo Joon-seok as Ha Young-hoon, a former prison guard and law school student who is responsible for creating the misjudgment research team.
 * Jung Yoo-min as Hwang Min-ah, a former Blue House bodyguard and current law school student.
 * Hong Seung-beom as Nam Yoon-il
 * Jung Yeon-joo as Lee Seon-hwa, a single mother who is a member of the misjudgment researching team.

People at court

 * Lee Moon-sik as Oh Ji-rak, a chief prosecuting attorney.
 * Lee Chang-wook as Jeong Chae-sung
 * Woo Hyun as Choi Go-soo
 * Bae Hae-sun as Moon Yoo-seon
 * Cho Jae-ryong as Song Ho-chan
 * Kim Min-sang as Seo Dae-su
 * Lee Hye-eun as Oh Mi-ja
 * Heo Jung-gyu as Kim Moo-sik
 * Kim Jin-yeop as Lee Cha-won
 * Oh Na-ra as Judge Yoon

Extended

 * Kim Hae-sook as Yoo Myung-hee, a professor in law school. She inspired Lee Jung-joo to become a judge.
 * Lee Deok-hwa as Do Jin-myung
 * Choi Jung-woo as Sa Jeong-do
 * Park Ji-a as Jang Soon-bok
 * Seo Cho-won as Supporting
 * Ji Seung-hyun as Choi Kyung-ho, Lee Jung-joo's older brother
 * Kim Hee-jung as Eom Sin-sook, Lee Jung-joo's mother and a janitor at the courthouse.

Production
The first script reading of the cast was held on October 23, 2017 at SBS Ilsan Production Center.