This Is Law

A vigilante known as "Dr. Q" gruesomely executes criminals who escape justice, uploading videos of his killings online. Young cop Bong and his seasoned partner Na investigate while clashing with S.T.F. counterparts Lt. Pyo and tech expert Kang.

Action Crime

Im Won-hee

(Bong Soo-chul)

Shin Eun-kyung

(Kang Min-ju)

Kim Min-jong

(Lieutenant Pyo)

Joo Hyun

(Team Leader Kim)

Jang Hang-seon

(Detective Heo)

Kim Kap-soo

(Park Shi-jong)

Lee Byung-wook

(Joo Sang-hoon)

Yoon Seung-won

(Detective Na)

Yun Ju-sang

(Deputy Chief Go)

Kim Young-woong

(Ma Goo-ri)

Kwon Tae-won

(Detective Lee)

Hyun Sook-hee

(Team Leader Kim's Wife)

Heo Seon-haeng

(Lawyer Song)

Oh Seong-tae

(Special Investigation Bureau)

Sung Ki-yoon

(Butcher Group)

Kim Gyeong-ryong

(Homeless)

Kim Koo-taek

(Function Colleague)

Lee Yong-jik

(Caps Scraper)

Park Kyeong-hwan