Voice
A OCN Original
Voice centers on a small team of emergency call responders who treat every second on the line as a life-or-death window. The series follows experts who sift through tiny audio clues, piecing together context from breaths, background noise, and fractured sentences to locate and help callers in... Read more
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Streaming availability last verified: January 25, 2026
About Voice
Voice centers on a small team of emergency call responders who treat every second on the line as a life-or-death window. The series follows experts who sift through tiny audio clues, piecing together context from breaths, background noise, and fractured sentences to locate and help callers in imminent danger. Tension comes from the clock, the imperfect technology, and the emotional strain of hearing people at their worst, while detectives and dispatchers work side by side to turn sound into actionable leads. The show focuses on procedure and pressure rather than plot twists, keeping each episode driven by a new crisis and the methods used to stop it.
Released in 2017, Voice was created by Ma Jin-won and directed by Shin Yong Hwi. It stars Lee Ha-na as Kang Kwon-ju and Song Seung-heon as Derek Jo, with Son Eun-seo, Kim Joong-ki, and Song Boo-gun in supporting roles. The series aired in South Korea and helped establish a tense, audio-driven format for TV crime dramas.
There aren't widely reported major international awards tied to the original 2017 season. While it attracted attention and solid ratings at home, records of big festival or global prize wins for this specific season are limited.
The series made viewers more aware of the dramatic possibilities in sound design, with many noting how cleverly subtle noises and voice cues were used to advance cases. Its focus on emergency dispatch procedures and the pressure of live calls sparked conversations online, and the format proved influential within domestic TV circles for procedurals that foreground real-time crisis response.
Critical reception leaned positive, reflected in a 7.3/10 user vote average from available ratings. Reviewers and audiences praised the show's procedural focus, tense pacing, and audio work, while commentary often mentioned its moral and emotional themes, such as the cost of policing, the weight of responsibility on first responders, and how trauma affects people who constantly hear others' emergencies.
Details
- Release Date
- January 14, 2017
- Episode Length
- 1h
- Rating
- TV-MA
- User Ratings
- 68 votes
- Type
- TV Series
- Seasons
- 4
- Episodes
- 58
- Network
- OCN
- Status
- Ended
- Genres
- Crime, Drama
- Country
- South Korea
- Studio
- Content K +2 more
- External Links
- View on IMDB
Official Trailer
Cast
Lee Ha-na
Kang Kwon-ju
Song Seung-heon
Derek Jo
Son Eun-seo
Park Eun-Soo
Kim Joong-ki
Park Joong-Ki
Song Boo-gun
Goo Gwang-Soo
Baek Sung-hyun
Shim Dae-Sik
Kang Seung-yoon
Han Woo-Joo
Maurice Turner Jr.
Nick Jackson
Kim Kyu-na
Yang Joo-ho
Ko Won Gi [Vimo Island Emergency Call Team]
Director: Shin Yong Hwi
Created by: Ma Jin-won
Seasons (4 seasons, 58 episodes)
Season 1
16 episodes - 2017
Generation of Disgust
12 episodes - 2018
City of Accomplices
16 episodes - 2019
Time of Judgment
14 episodes - 2021