If you love to watch thrillers, here are some of the best & recommended thriller Korean dramas to watch.
Korean dramas are addicting & are popular now. Many have started watching dramas as most of them are now available on Netflix & Viki. They are quite good to watch with family too.
All types of dramas are available to watch online ranging from rom-com to action thrillers. They have an interesting plot, good cinematography & perfect emotions. The plot twists are also great.
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Best Thriller Korean Dramas
While Korean dramas are popular for its romance genre, there are some good thriller Korean dramas to watch to keep you on the edge of your seat.
The two things that keep you watching thriller dramas are their gripping storyline & flawless acting with some action packed scenes that keep you engaged.
If you want to watch some of the best thrillers that Korean provides, here are 20 best thriller Korean dramas for you to watch & enjoy.
1. Signal
Park Hae Young witnesses the kidnapping of a girl 15 years ago. 15 years later, Hae Yeong is now a police officer and criminal profiler. One day, he finds a walkie-talkie that allows him to get in contact with Detective Lee Jae Han who is in the past. Together, they solve a series of murders.
2. Flower Of Evil
Baek Hee Sung is a craftsman living with his wife, Cha Ji Won & daughter. But he hides some dark secrets that even his wife is unaware of. His wife is a homicide detective who investigates a case of a psychopath who is quite close to her.
Cast –
- Lee Joon Gi as Baek Hee Sung
- Moon Chae Won as Cha Ji Won
- Jang Hee Jin as Do Hae Soo
- Seo Hyun Woo as Kim Moo Jin
No. Of Episodes – 16
3. Extracurricular
This drama is about three high school students Ji Soo, his partner Gyu Ri & school bully Min-Hee who start committing crimes to earn money & pay for their college and the unpredictable dangers they face as a result.
Cast –
- Kim Dong Hee as Oh Ji Soo
- Park Joo Hyun as Bae Gyu Ri
- Jung Da Bin as Seo Min Hee
- Nam Yoon Su as Kwak Ki Tae
No. Of Episodes – 10
Watch On – Netflix
4. Strangers From Hell
Jong-Woo moves from the countryside to Seoul after his friend, Jae Ho, offers him a job. While looking for a place to live, he comes across a cheap hostel. He decides to live there for 6 months. But strange things start to happen with him.
Read Strangers From Hell Review
Cast –
- Im Si Wan as Yoon Jong Woo
- Lee Dong Wook as Seo Moon Jo
- Lee Jung Eun as Eom Bok Soon
- Ahn Eun Jin as Seo Jung Hwa
No. Of Episodes – 10
Watch On – Netflix
5. Vagabond
Cha Dal Gun is a stuntman whose nephew dies in a plane crash. He comes to know that there is a huge scandal involving the government behind the plane crash & sets off to reveal the truth along with a NIS agent Go Hae Ri.
6. Kingdom
Set in the Joseon period, the deceased king rises and a mysterious plague begins to spread; the prince must face a new breed of enemies to unveil the evil scheme and save his people. It has season 2 as well.
Cast –
- Joo Ji Hoon as Lee Chang
- Ryu Seung Ryong as Jo Hak Joo
- Bae Doo Na as Seo Bi
- Kim Sung Gyu as Young Shin
No. Of Episodes – 12 (S1: 6 & S2: 6)
Watch On – Netflix
7. Tunnel
In 1986, Park Kwang Ho works as a detective. While working he passes through a time portal, which transports him to present-day Seoul. He meets a new partner Kim Sun Jae. They try to find out the serial killer.
8. Save Me
Sang Mi and her family move to Muji-gun. There she meets four young men. Later, Sang Mi and her family are approached by the Spiritual Father of Goosunwon who offers to help them. However, they slowly get sucked into the pseudo-religious cult and the four young men try to save her.
Cast –
- Seo Ye Ji as Im Sang Mi
- Ok Taec Yeon as Han Sang Hwan
- Woo Do Hwan as Seok Dong Chul
- Jo Sung Ha as Baek Jung Ki
No. Of Episodes – 16
Watch On – Netflix
9. Voice
Detective Moo Jin Hyuk after his wife’s death, works with professional voice profiler Kwon Joo, whose father is killed, to solve a different crime, chasing for the serial killer who is responsible for the deaths of their family members.
10. Stranger
Hwang Shi Mok, a prosecutor finds him in a murder case. He meets Police Lieutenant Yeo Jin at a murder crime scene. They work together to wipe out corruption at the prosecutor’s office and solve a serial murder case.
Cast –
- Jo Seung Woo as Hwang Shi Mok
- Bae Doo Na as Han Yeo Jin
- Lee Joon Hyuk as Seo Dong Jae
- Shin Hye Sun as Young Eun Soo
No. Of Episodes – 16
Watch On – Netflix
11. Through The Darkness
The drama will tell the story of South Korea’s first criminal profiler as he struggles to look inside and read the hearts of serial killers during a time when the word “profiling” did not exist. It is based on the 2018 book of the same title.
12. Train
Seo Do Won is a detective who tries to save Seo Kyung who is a prosecutor. There are two different worlds in this drama. Do Won travels to the other world to track the serial killer with the help of the other Seo Kyung.
Cast –
- Yoon Shi Yoon as Seo Do Won
- Kyung Soo Jin as Han Seo Kyung
- Shin So Yool as Lee Jung Min
- Lee Hang Na as Oh Mi Sook
No. Of Episodes – 12
Watch On – Viki
13. Defendant
Park Jung Woo is a prosecutor who has lost his memory and discovers that he is convicted on death row. He is now left with no option but to find the truth behind his condition and prove his innocence.
14. The Guest
Yoon Hwa Pyung, a psychic Choi Yoon; a young boy born in a religious Catholic family, and Kang Kil Yeong; the daughter of a detective tries to work together to defeat a powerful demon named “Son”.
Cast –
- Kim Dong Wook as Yoon Hwa Pyung
- Kim Jae Wook as Choi Yoon
- Jung Eun Chae as Kang Gil Young
- Lee Won Jong as Yook Gwang
No. Of Episodes – 16
Watch On – Netflix
15. 365: Repeat The Year
In this drama, ten individuals get the opportunity to return in time by one year, but strange & unexpected circumstances begin to emerge when their destinies are changed & turned. The drama comprises of a plot twist.
Read 365: Repeat The Year Review
Cast –
- Lee Joon Hyuk as Ji Hyung Joo
- Nam Ji Hyun as Shin Ga Hyun
- Kim Jee Soo as Lee Shin
- Lee Sung Wook as Park Sun Ho
No. Of Episodes – 16
Watch On – Viki
16. Beyond Evil
The story of two fearless lawmen, Lee Dong Shik and Han Joo Won, who break the law to catch a serial killer. In the course of uncovering the culprit’s identity, they question the innocence of everyone involved in the case including themselves.
17. Mouse
Ba Reum is a police officer whose life changes when he encounters a psychopathic killer. This drives him and his partner to unveil the truth behind psychopathic behaviours. A drama that asks the question, “What if we could identify psychopaths in advance?”
Cast –
- Lee Seung Gi as Jung Ba Reum
- Lee Hee Joon as Ko Moo Chi
- Park Joo Hyun as Oh Bong Yi
- Kyung Soo Jin as Choi Hong Joo
No. Of Episodes – 20
Watch On – Viki
18. Tell Me What You Saw
Hyun Jae used to be a top criminal profiler. He gets vanished after his fiancé’s death. Meanwhile, Soo Young is a police officer in the countryside. She is selected as a rookie detective who will partner with Hyun Jae informally. Together they work to solve cases.
Cast –
- Jang Hyuk as Oh Hyun Jae
- Choi Soo Young as Cha Soo Young
- Jin Seo Yun as Hwang Hwa Young
- Jang Hyun Sung as Choi Hyung Pil
No. Of Episodes – 16
Watch On – Viki
19. Taxi Driver
Do Gi is a taxi driver and works for a company which offers a “revenge-call” service to its clients. The company is a secret organization that avenges victims whom the law didn’t protect. If clients ask them to take revenge, Do Gi and his co-workers will perform the service.
Cast –
- Lee Je Hoon as Kim Do Gi
- Esom as Kang Ha Na
- Kim Eui Sung as Jang Sung Chul
- Pyo Ye Jin as Ahn Go Eun
No. Of Episodes – 16
Watch On – Viki
20. Happiness
Set in the near future, an apartment building has been newly constructed. The residents are from diverse backgrounds, but a new infectious disease breaks out. The drama depicts the subtle psychological battle and the class discrimination that occurs.
Cast –
- Han Hyo Joo as Yoon Sae Bom
- Park Hyung Sik as Jung Yi Hyun
- Jo Woo Jin as Han Tae Seok
- Park Joo Hee as Ji Soo
No. Of Episodes – 12
Watch On – Viki
Wrapping Up
These are just 20. There are many more to discover & watch. So, pick any one or all of them & get ready to watch. Most of them are available on Netflix & Viki. Besides dramas, there are many more Korean Thriller Movies to watch that keeps you entertaining more & more.
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