Voice (TV Series 2017–2021)


Voice (TV Series 2017–2021)
Boiseu (original title)

Moo Jin-Hyuk (Jang Hyuk) was a popular detective who solved major cases, but after his wife was murdered by a serial killer his life spiraled down. He is filled with guilt that he was not able to protect his wife and he secretly looks for her killer. Meanwhile, Kang Kwon-Joo (Lee Ha-Na) graduated at police academy with top marks. She began to work at an emergency 112 call center. Working there, a brutal murder case takes place and her father/police sergeant went to the crime scene. Her father is killed there and Kwon-Joo hears what happened over the phone. Afterwards, she goes to the U.S. to study and comes back to Korea as a professional voice profiler. Detective Jin-Hyuk and Kang Kwon-Joo solve cases together. Chasing a serial killer responsible for the deaths of their family member.
South Korea
IMDb  7.7 /10
Creator Hong-sun Kim
Creator Nam Ki Hoon
Creator Jin-won Ma
Release Date2017-01-14
Runtime1h 0mins
GenreAction, Crime, Mystery, Thriller
Content RatingTV-14 (TV-14)
Awards1 nomination.
CompanyContent K, KeyEast, Studio Dragon
CountrySouth Korea
Kang Kwon Joo 44 episodes, 2017-2019
Park Eun Soo 43 episodes, 2017-2019
Do Kang Woo 28 episodes, 2018-2019
Jin Seo Yool 27 episodes, 2018-2019
Na Hong Soo 26 episodes, 2018-2019
Moo Jin Hyeok 16 episodes, 2017
Oh Hyun Ho 16 episodes, 2017
Shim Dae Shik 16 episodes, 2017
Jang Gyeong Hak 16 episodes, 2017-2018
Bang Je Soo 16 episodes, 2018-2019
Mo Tae Goo 14 episodes, 2017
Kwak Dok Ki 14 episodes, 2018-2019
Kaneki Masayuki 13 episodes, 2019

Voice (TV series)

Voice (Korean: 보이스; RR: Boiseu) is a South Korean television series starring Jang Hyuk and Lee Ha-na. It aired every Saturday and Sunday on OCN from January 14 to March 12, 2017.

Due to its popularity, a second season, Voice 2, was produced the following year. The third season, Voice 3, was broadcast in 2019. OCN confirmed the production of a fourth season, slated to air in 2021.

The series is available for streaming on Netflix.


Moo Jin-hyuk (Jang Hyuk) is a "mad dog" detective who becomes guilt-ridden after his wife was murdered while he was at work. Kang Kwon-joo (Lee Ha-na) is a tough policewoman who is gifted with perfect psycho-acoustics skills and went for voice profiling. She was working at the call center when a brutal murder case took place and in the process of investigating, her father was killed. Three years later, Jin-hyuk and Kwon-joo team up as the "Golden Time team" and solve cases together, chasing after the serial killer who took their loved ones.



  • Jang Hyuk as Moo Jin-hyuk
  • Lee Ha-na as Kang Kwon-joo

Supporting cast

112 Report Center's Golden Time Team

  • Baek Sung-hyun as Shim Dae-shik, junior detective and Jin-hyuk's close friend
  • Yesung as Oh Hyun-ho, IT specialist
  • Son Eun-seo as Park Eun-soo, language specialist
  • Kwon Hyung-joong as Chun Sang-pil

The Police

  • Lee Hae-young as Jang Kyung-hak, violent crime unit chief
  • Jo Young-jin as Bae Byung-gon, police commissioner
  • Kim Joong-ki as Park Joong-ki, violent crime unit detective
  • Song Boo-gun as Goo Gwang-soo, violent crime unit detective
  • Baek Cheon-ki as Kim Pyeong-jo, violent crime unit detective

Cases characters

Eunhyung-dong Policeman's Wife Murder Case (Ep. 1)

  • Oh Yeon-ah as Heo Ji-hye, Jin-hyuk's wife
  • Son Jong-hak as Kang Kook-hwan, Kwon-joo's father (special appearance)
  • Hwang Sang-kyung as Go Dong-chul, murder suspect.
  • Kim Jae-wook as Mo Tae-goo, CEO of Sungwun Express Song Sung-han as young Mo Tae-goo
  • Song Sung-han as young Mo Tae-goo

Eunhyung-dong Kidnapping Case (Ep. 1-2)

  • Kim Tae-han as Jo Gwang-cheon, kidnapper
  • Jeon Soo-jin as Park Bok-nim, kidnapped school girl

Burim-dong Child Abuse and Murder Case (Ep. 2-3)

  • Bae Jung-hwa as Oh Soo-jin, abusive mother
  • Choi Seung-hun as Son Ah-ram, abused child
  • Kwon Byung-gil as Baek Sung-hak, security guard

Hongchang-dong Kidnapping Case (Ep. 4-6)

  • Lee Joo-seung as Hwang Kyung-il, bespectacled teacher Jung Joon-won as young Hwang Kyung-il
  • Jung Joon-won as young Hwang Kyung-il
  • Han Bo-bae as Park Eun-byul, Eun-soo's younger sister
  • Kim Ji-hoon as Woo Bong-gil, accomplice

Surim-dong Chunsoo Townhouse Murder Case (Ep. 6-8)

  • Lee Yong-nyeo as Park Bok-soon / Shim Chun-ok, elderly landlord
  • Yoon Kyung-ho as Yoon Pil-bae, tenant
  • Park Eun-young as Bang Mal-nyun, woman who called police
  • Shin Seung-hwan as Shim Young-woon, Chun-ok's brother

Gwangchang-dong Club Fever Hostage Case (Ep. 9-10)

  • Kim Ho-young as Yang Ho-shik, electrician and genius hacker

Bangha-dong Nakwon Welfare Center Case (Ep. 11-12)

  • Hong Sung-duk as Baek Jin-goo, mental patient
  • Yeo Moo-young as Byun Sang-an / Kang Hyun-pal, welfare center director
  • Jo Wan-gi as Kim Gyu-hwan, welfare center therapist
  • Lee Na-yoon as Sae-bom, little girl

Woogyeong-ri Bus accident Case (Ep. 14-15)

  • Park Noh-sik as Park Jong-woo, Sungwun Express bus driver
  • Oh Cho-hee as Na Jung-eun, pregnant bus passenger
  • Min Jung-sub as Jung Chul-ho, Na Jung-eun's husband
  • Kim Hyun as Im Mi-ho
  • Kim Jun-hyuk as Im Mi-ho's son


  • Lee Si-woo as Moo Dong-woo, Jin-hyuk's son
  • Lee Joo-sil as Eun-soo's grandmother
  • Kim Myeong-kuk as Cha Myung-chul
  • Choi Ki-sub as Tabloid, Jin-hyuk's informant
  • Kim Roi-ha as Nam Sang-tae, CEO of GP development
  • Yoon Ji-min as Jang Gyu-ah, Fantasia's lady boss
  • Lee Dae-kyung as Mo Gi-beom, Chairman of Sungwun Express, Mo Tae-gu's father
  • Jang Won-young as Kwon Chang-tae, Director of land planning department
  • Kang Moon-kyung as Kim Joon-tae, Minister of land planning
  • Kim Yong-woon as Ji Choon-bae, Nam Sang-tae's right-hand man
  • Hong Seung-jin as killer from Southeast Asia
  • Song Young-kyu as Park Eun-cheol, prosecutor working for Sungwun Group
  • Lee Jae-won as Mo Tae-gu's assistant and driver
  • Kim Ik-tae as retired forensic doctor
  • Lee Ji-hye as 112 report center's Golden Time team member
  • Kook Ki-hoon as 112 report center's Golden Time team member

Special appearances

  • Jo Jae-yoon as triad member (Ep. 1)
  • Lee Jun-hyeok as nightclub manager (Ep. 1)
  • Park Hyo-jun as police officer
  • Kim Yoon-ah as Club Fever DJ (Ep. 9)
  • Kim Hyung-kyu as Club Fever manager (Ep. 9)
  • Kim Kwon as psychiatric doctor in Sungwun Mental Hospital (Ep. 16)

Original soundtrack

Part 1

Released on February 5, 2017
1."Word Up"Kim Young-geun03:13
2."Word Up" (Inst.) 03:13

Part 2

Released on February 19, 2017
1."Voice (목소리)"Kim Yoon-ah03:45
2."Voice" (Inst.) 03:45

Part 3

Released on March 5, 2017
1."My Ears Are Open (내 귀는 열려)"Changmo04:18
2."My Ears Are Open" (Inst.) 04:18


On November 2, 2017, a source from OCN confirmed production for the second season of Voice. On April 17, 2018, it was confirmed that Lee Ha-na will be reprising her lead female role and Lee Jin-wook will be joining season 2 as the new male lead. The second season, Voice 2, aired in August 2018.

OCN announced a third season to be broadcast on the first half of 2019, with Lee Ha-na and Lee Jin-wook confirmed to reprise their roles. The third season, Voice 3, aired in May 2019.


Ratings for Voice set new records for OCN dramas when it aired in Korea, proving to be a hit among viewers. It is one of the highest rated dramas in Korean cable television history and ranked first among cable TV dramas for many consecutive weeks.

Halfway airing through the series, the drama was submitted for Korea's censorship board review due to viewers' complaints of it showing excessive violence. It was subsequently issued an advisory warning. OCN then changed its viewing rating from the original of 15+ to 19+ for episodes 11, 12 and 16 in order to make the story as realistic as possible.


In this table, the blue numbers represent the lowest ratings and the red numbers represent the highest ratings.

Ep.Original broadcast dateTitleAverage audience share
TNmSAGB Nielsen
1January 14, 2017A Voice in the Dark
(어둠 속의 목소리)
2January 15, 2017Healing Mother's Two Faces
(힐링마마의 두 얼굴)
3January 21, 20174.9%5.406%5.383%
4January 22, 2017Dark Generic Bell Sound: The Secret of the Chocolate Box
(어둠 속의 벨소리 #초콜릿 상자의 비밀)
5February 4, 20174.3%5.339%5.540%
6February 5, 2017Secret of the Trash House: The Pupil in the Wall
(쓰레기집의 비밀 #벽속의 눈동자)
7February 11, 20174.4%4.032%3.541%
8February 12, 20174.0%4.663%4.354%
9February 18, 20174.4%4.974%5.380%
10February 19, 2017Devil's Whisperer
(악마의 속삭임)
11February 25, 20174.1%4.192%4.396%
12February 26, 2017A Call from the Fiery Pit
(지옥으로부터 온 전화)
13March 4, 2017The Birth of Satan
(마왕의 탄생)
14March 5, 20173.9%5.132%4.948%
15March 11, 2017For the Last Golden Time
(마지막 골든타임을 위하여)
16March 12, 20174.4%5.055%5.601%
  • This drama airs 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).
  • Episodes 5 and 6 were delayed because of the Korean New Year.

Awards and nominations

2017Korean Film Shining Star AwardsDrama Star AwardJang HyukWon


A Japanese remake, titled Voice 110 Emergency Control Room, is confirmed to start airing in July 2019 on Nippon TV at 10 p.m. JST

A Thai remake is confirmed to be broadcast in November 2019 on True4U.