Signal
There are those who are born monsters, but there are also those who are made into monsters by people.
- Cast entries
- 16
- Episodes
- 16
- Locations
- Not available for this drama
- Food stops
- Not available for this drama
Synopsis
A concise overview of the premise, tone, and dramatic setup.
In the gripping K-drama Signal, detectives from different timelines connect through a walkie-talkie to tackle a long-unsolved case. This unique premise seamlessly blends elements of crime investigation with time travel, showcasing how past actions affect the present.
Set against a backdrop of real-life cold cases, the story delves into themes of justice and choice. The narrative unfolds as a modern detective, Park Hae-young, discovers the old walkie-talkie and begins communicating with Lee Jae-han, a detective from the late 1980s. Together, they exchange vital information, reigniting investigations into unresolved crimes. As they navigate the complexities of their intertwined fates, the series raises profound questions about the moral implications of altering the past.
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Production
Broadcast details, runtime, language, and key production credits.
AStory
Studio Dragon
BA Entertainment
Baram Pictures
- Creators
- Kim Eun-hee김은희Kim Won-suk김원석
Source: TMDB
Cast & characters
Key roles, performers, and character context for quick scanning.
Park Hae-youngLee Je-hoon이제훈
Cha Soo-hyunKim Hye-soo김혜수
Lee Jae-hanCho Jin-woong조진웅
Kim Bum-jooJang Hyun-sung장현성
Ahn Chi-sooJung Hae-kyun정해균
Kim Gye-chulKim Won-hae김원해
Oh Yoon-seoJung Han-bi정한비
Jung Heon-giLee Yoo-jun이유준
Hwang Ui-kyungKim Min-gue김민규
Park Sun-wooKang Chan-hee강찬희
Cha Soo-minIm Hwa-young임화영
Source: TMDB
Lead actors
Lead performer biographies and notable credits.
Lee Je-hoonas Park Hae-young
Lee Je-hoon (born July 4, 1984) is a South Korean actor. He started his career in indie films. After his breakthrough in acclaimed independent film Bleak Night (2011), he went on to appear in commercial films like The Front Line (2011), Architecture 101 (2012), My Paparotti (2013), I Can Speak (2017), Time to Hunt (2020), and television series Fashion King (2012), Secret Door (2014), Signal (2016), Tomorrow, With You (2017), Where Stars Land (2018), Taxi Driver (2021–2023), and Move to Heaven (2021).
Kim Hye-sooas Cha Soo-hyun
Kim Hye-soo is a veteran South Korean actress, born on September 5, 1970, in Busan. She has been active in the industry since the 1980s and has starred in some of the biggest Korean blockbusters, including The Thieves (2012), Tazza: The High Rollers (2006), The Face Reader (2013), and Kick the Moon (2001). Throughout her career, she has received numerous accolades, including the Blue Dragon Best Actress award for First Love (1993), Dr. Bong (1995), and Tazza: The High Rollers (2006), as well as the Grand Bell Best Actress award for Hypnotized (2004).
Cho Jin-woongas Lee Jae-han
Cho Jin-woong, born Jo Won-joon on April 3, 1976, is a prominent South Korean actor renowned for his compelling performances across various genres. He is best known for his roles as Sejong's loyal bodyguard in the television series Deep Rooted Tree (2011), a mobster in Nameless Gangster: Rules of the Time (2012), and a mysterious villain in A Hard Day (2014). His portrayal of a detective in the critically acclaimed series Signal (2016) further solidifies his reputation in the industry.
Jang Hyun-sungas Kim Bum-joo
Jang Hyun-sung is a South Korean actor. He started his acting career as a member of the Hakjeon Theatre Company, before transitioning to film and television. Jang is best known for starring in director Song Il-gon's arthouse films such as Spider Forest and The Magicians, and most notably Feathers in the Wind, for which one review praised him for giving "the performance of his career." He also had major roles in Nabi, Rewind, My Right to Ravage Myself, Love Is a Crazy Thing, and My Friend and His Wife. Aside from acting, Jang was one of the screenwriters for the Moon Seung-wook film Romance. In 2013, Jang and his two sons began appearing in the reality/variety show Superman is Back, in which celebrity fathers babysit their children by themselves for 48 hours after sending their wives on a 2-day vacation.
Jung Hae-kyunas Ahn Chi-soo
Jung Hae-kyun is a South Korean film and stage actor.
Where to watch
Availability is grouped by country and provider type.
Netflix
Amazon Prime Video
Disney Plus
Netflix Standard with Ads
Amazon Prime Video with Ads
- Netflix
- Netflix Standard with Ads
TVING
- Netflix
- Amazon Prime Video
- Netflix Standard with Ads
- Amazon Prime Video with Ads
Streaming data via JustWatch through TMDB.
Episodes
Season 1 episodes shown (16). 17 episodes total across all seasons.
Ep 1You're Doomed2016-01-22 · 67 minProfiler Park Hae-young hears a man calling his name through a discarded two-way radio. The voice starts talking about an unsolved crime.
Ep 2We Still Have a Chance2016-01-23 · 66 minThe statute of limitations is lifted after the suspect's arrest. Hae-young joins Soo-hyun's team for the newly established cold case squad.
Ep 3We Can Prevent the Killings2016-01-29 · 65 minReality changes after Hae-young exchanges information with Jae-han. Hae-young tries to work together with Jae-han in 1989 to prevent the next murder.
Ep 4We Found the Killer2016-01-30 · 65 minThe ninth victim is Won-kyung, the woman Jae-han loves. A driver turns himself in, but Soo-hyun and Jae-han determine that his son is the real killer.
Ep 5Changing the Past Alters the Present2016-02-05 · 68 minHae-young starts to investigate Jae-han's disappearance. Jae-han's former colleagues get suspicious about seeing Hae-young digging into the past.
Ep 6Catch Him by All Means2016-02-06 · 70 minSeeking vengeance for the events that lead to the death of his daughter, Kyung-tae commits a kidnapping after getting out of prison for burglary.
Ep 7We Must Dig Deeper2016-02-12 · 67 minJae-han arrests Se-kyu for the serial burglary case, but the culprit is freed after serving a short sentence; Kyung-tae still commits murder.
Ep 8How Are You Alive?2016-02-13 · 74 minSoo-hyun and Hae-young notice a connection between the burglary case and Da-hye, the woman who killed herself twenty years ago.
Ep 9Hongwon-dong Case2016-02-19 · 74 minHae-young learns that Chi-soo and Jae-han met in 1999 during a case in Inju. After serving time for the crime, Hae-young's brother had killed himself.
Ep 10Someone Has to Stop the Bad Guys2016-02-20 · 72 minThe bodies discovered in the mountains appear to be more victims of the 1997 serial murder case. Jae-han learns that Soo-hyun became team leader.
Ep 11The One Last Case2016-02-26 · 78 minHae-young and Soo-hyun arrest Jin-woo after coming to the conclusion that he is the killer. Hae-young asks Jae-han about the Inju rape case.
Ep 12The Case Was Manipulated2016-02-27 · 78 minHae-young becomes a suspect for the murder of Chi-soo. Jae-han realizes who the principle offender of the attack on Hye-seung is.
Ep 13The Real Assailant2016-03-04 · 74 minSoo-hyun and the others mourn after confirming that the remains belong to Jae-han. Hae-young learns that Jae-han used to look after him in the past.
Ep 14Not Now, but Maybe in the Past2016-03-05 · 74 minHae-young realizes the possibility that his brother could have been murdered after learning from Hye-seung that Sun-woo was not guilty.
Ep 15Is It Really You?2016-03-11 · 72 minHae-young is arrested for the murder of Chi-soo. Soo-hyun hears Jae-han apologizing over the radio for not being able to prevent Sun-woo's death.
Ep 16If You Don't Give Up2016-03-12 · 89 minHae-young is in critical condition after being shot while meeting with Sung-bum. In 2000, Jae-han has been captured by Bum-joo.
Source: TMDB
Videos
Trailers, OST, interviews, making clips, reviews, and recommendations.
Trailers & teasers
OST
Interviews & making-of
Reviews & recommendations
Source: YouTube
Gallery
Posters, backdrops, and stills from the drama.
Source: TMDB