A brutal murder committed 15 years ago turned three lives upside down. A decade and a half later, the trio – brought together by fate – goes on the hunt for answers.[ 2]
A detective who has caught many criminals during his career. He hates corruption within the police and becomes leader of the internal affairs investigation team to find the truth about a particular incident.
A police officer who joins Do Chi-kwang's team after they become involved in the same incident.
A former prosecutor turned lawyer after she got involved too deep while working on a case and almost died. She starts working with Do Chi-kwang and Kim Yeong Goon.
Head of the Police Investigation Department, he is often in conflict with Do Chi-kwang.
With a degree in Chemistry, she became part of the Scientific Investigation Team. After she makes a mistake, however, she decides to quit to join the internal affairs investigation team.
Joo Jin-mo as Park Jin-woo
Deputy Commissioner of police force.
Commissioner of police force.
Lee Joong-ok as Jae-shik's friend
Ahn Gil-kang as Kim Jae-myung, Kim Yeong-goon's father
Lee Jae-yoon as Kim Kang-wook
Jung Do-won as Hong Jae-sik
Kim Dae-gun as Detective Chan-hee
Won Gun-su as Detective 2
Park Hoon as Yoon Ji-hoon, Han Tae-joo's ex-husband
Jung Min-sung as Son Byeong-gil
Kim Dong-hyun as Kim Sang-joon
Chae Dong-hyun as Lee Dong-yoon
Yang Ye-na as Yoon-ji
Kim Yong-ji as Lee Hyo-jung
Park Sung-il as Department Head Kim
Han Sang-hoon as Coroner
Shin Hyun-jong as Min Young-ki
Jung Soon-won as Jung Han-wook
Yu Ha-jun as Oh Sang-do
Park Ji-hoon as Park Si-young
Lee Seung-chul as Chairman Jung Seok-tae
Shin Mun-sung as Lee Joong-ho (EP.10)
Lee Yoon-sun as Jang Ji-yoon (EP.14)
ADDITIONAL CAST
Woo Jung-won as Park Ji-hyun
Lee Nam-hee as Shin Woo-sung
Jeon Suk-chan as Kim Jo-han
Park Mi-hyun as Jo Hyun-kyung
Kim Dan-woo as Areum (Son Byeong-gil's daughter)
Lee Eol as Jang Hyun-soo
Yoo Jung-ho as Park Jung-geum
Kim Geon-u as Kim Cha-hoon
Kim Ju-yeon as Baek Song-yi
Han Seung-soo as Regional Investigation unit detective
Jang Eui-don as Patient
Yu Seung-il as Driving violator (ep.1)
Park Yong
Released on July 21, 2019 (2019-07-21 ) Title Lyrics Music Artist 1. "Horizon" Choi Jeong-in Kim Tae-sung Ha Jin 3:10 2. "Horizon" (Inst.) 3:10 Total length: 6:20
Released on August 4, 2019 (2019-08-04 ) Title Lyrics Music Artist 1. "Watchin'" nafla Kim Tae-sung Curtis F Nathan nafla 3:15 2. "Watchin'" (Inst.) Kim Tae-sung Curtis F Nathan 3:15 Total length: 6:30
Released on August 11, 2019 (2019-08-11 ) Title Lyrics Music Artist 1. "Blurry" Park Geun-cheol Jung Su-min RUNY Elli K 3:18 2. "Blurry" (Inst.) Park Geun-cheol Jung Su-min RUNY 3:18 Total length: 6:36
Released on August 18, 2019 (2019-08-18 ) Title Lyrics Music Artist 1. "Outsider" (아웃사이더) Ha Mel-li Lee Sang-hoon Lee Seung-yeol 4:01 2. "Outsider" (Inst.) Lee Sang-hoon 4:01 Total length: 8:02
Watcher : South Korea viewers per episode (millions)
Season Episode number Average 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 0.814 1.251 0.873 1.113 0.875 1.306 0.915 1.194 0.829 1.204 0.866 1.462 0.994 1.286 1.197 1.602 1.111
Source: Audience measurement performed nationwide by
Nielsen Media Research .
[ 7]
Average TV viewership ratings
Ep.
Original broadcast date
Average audience share (Nielsen Korea)[ 7]
Nationwide
Seoul
1
July 6, 2019
2.993%
3.576%
2
July 7, 2019
4.493%
5.306%
3
July 13, 2019
3.665%
4.130%
4
July 14, 2019
4.549%
5.223%
5
July 20, 2019
3.646%
4.071%
6
July 21, 2019
5.405%
6.198%
7
July 27, 2019
3.738%
4.336%
8
July 28, 2019
5.066%
5.687%
9
August 3, 2019
3.348%
3.895%
10
August 4, 2019
5.076%
6.044%
11
August 10, 2019
3.477%
3.797%
12
August 11, 2019
6.094%
6.567%
13
August 17, 2019
4.156%
4.367%
14
August 18, 2019
5.520%
6.029%
15
August 24, 2019
4.960%
5.346%
16
August 25, 2019
6.585%
7.198%
Average
4.548%
5.111%
In the table above, the blue numbers represent the lowest ratings and the red numbers represent the highest ratings.
This series aired on a cable channel/pay TV which normally has a relatively smaller audience compared to free-to-air TV/public broadcasters (KBS , SBS , MBC and EBS ).
^ " 'Watcher' explores a mysterious incident" . Korea JoongAng Daily . July 3, 2019.
^ Watcher | Rakuten Viki , retrieved 2020-12-26
^ a b c Kim, Myung-mi (April 8, 2019). " '왓쳐' 한석규-서강준-김현주 출연확정, 막강 라인업 완성(공식입장)" . Newsen (in Korean). Naver. Retrieved April 24, 2019 .
^ Kim, Ju-won (April 13, 2019). "[공식] 허성태, '왓쳐(WATCHER)' 출연 확정..한석규-서강준과 호흡" . Sedaily (in Korean). Retrieved April 24, 2019 .
^ Hwang, Su-yeon (April 24, 2019). " '왓쳐' 박주희 출연확정, 한석규·서강준과 호흡[공식입장]" . Xports News (in Korean). Naver. Retrieved April 24, 2019 .
^ Park, So-young (January 24, 2019). "[단독] '비밀의숲' '알함브라' 안길호PD, OCN 장르물 'WATCHER'로 하반기 컴백" . News Chosun (in Korean). Retrieved April 24, 2019 .
^ a b "Nielsen Korea" . AGB Nielsen Media Research (in Korean). Retrieved August 25, 2020 .