Top 15 Best Thriller Korean Dramas You Must Watch

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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.

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.

Best Thriller Korean Dramas

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 15 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. Read Signal Review.

Signal thriller korean dramas

No. Of Episodes – 16

Cast –

  • Lee Je Hoon as Park Hae Yeong
  • Kim Hye Soo as Cha Soo Hyun
  • Jo Jin Woong as Lee Jae Han

Watch On – Netflix, Viki

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.

Flower Of Evil thriller korean dramas

No. Of Episodes – 16

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

Watch On – Netflix, Viki

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.

Extracurricular thriller korean dramas

No. Of Episodes – 10

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

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.

Strangers From Hell thriller korean dramas

No. Of Episodes – 10

Cast –

  • Im Shi 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

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. Read Vagabond Review.

Vagabond thriller korean dramas

No. Of Episodes – 16

Cast –

  • Lee Seung Gi as Cha Dal Gun
  • Bae Suzy as Go Hae Ri
  • Shin Sung Rok as Gi Tae Ung

Watch On – Netflix

6. Kingdom

Ste 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.

Kingdom thriller korean dramas

No. Of Episodes – 12 (S01 – 6 & S02 -6)

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

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. Read Tunnel Review.

Tunnel thriller korean dramas

No. Of Episodes – 16

Cast –

  • Choi Jin Hyuk as Park Kwang Ho
  • Yoon Hyun Min as Kim Seon Jae
  • Lee Yoo Young as Shin Jae Yi

Watch On – Netflix, Viki

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.

Save Me thriller korean dramas

No. Of Episodes – 16

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

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.

Voice thriller korean dramas

No. Of Episodes – 16

Cast –

  • Jang Hyuk as Moo Jin Hyeok
  • Lee Ha Na as Kang Kwon Joo
  • Baek Sung Hyun as Shim Dae Shik
  • Son Eun Seo as Park Eun Soo

Watch On – Netflix, Viki

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.

Stranger thriller korean dramas

No. Of Episodes – 16

Cast –

  • Jo Seung Woo as Hwang Shi Mok
  • Bae Doo Na as Han Yeo Jin
  • Lee Joon Hyuk as Seo Dong Jae
  • Yoo Jae Myung as Lee Chang Joon
  • Shin Hye Sun as Young Eun Soo

Watch On – Netflix

11. Two Weeks

Jang Tae San is a man who has been living a meaningless life. He is on the run after being falsely accused of murder. He discovers that he has a daughter whom he tries to save in two weeks.

Two Weeks thriller korean dramas

No. Of Episodes – 16

Cast –

  • Lee Joon Gi as Jang Tae San
  • Kim So Yeon as Park Jae Kyung
  • Ryu Soo Young as Im Seung Woo
  • Park Ha Sun as Seo In Hye
  • Lee Chae Mi as Seo Soo Jin

Watch On – Viki

12. Train

Seo Do Won is a detective who tries to save Seo Kyung. 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.

Train thriller korean dramas

No. Of Episodes – 12

Cast –

  • Yoon Shi Yoon as Seo Do Won
  • Kyung Soo Jin as Han Seo Kyung
  • Shin So Yool as Lee Jung Min

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.

Defendant thriller korean dramas

No. Of Episodes – 18

Cast –

  • Ji Sung as Park Jung Woo
  • Uhm Ki Joon as Cha Sun Ho
  • Kwon Yu Ri as Seo Eun Hye
  • Oh Chang Seok as Kang Joon Hyuk
  • Uhm Hyun Kyung as Na Yun Hee

Watch On – Viki

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”.

The Guest thriller korean dramas

No. Of Episodes – 16

Cast –

  • Kim Dong Wook as Yoon Hwa Pyung
  • Kim Jae Wook as Choi Yoon/Matthew
  • Jung Eun Chae as Kang Gil Young

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.

365: Repeat The Year

No. Of Episodes – 16

Cast –

  • Lee Joon Hyuk as Ji Hyung Joo
  • Nam Ji Hyun as Shin Ga Hyun
  • Kim Jee Soo as Lee Shin

Watch On – Viki


Wrapping Up

These are just 15. 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. If not, you can always watch them on free streaming sites.

Besides dramas, there are many more Korean Thriller Movies to watch that keeps you entertaining more & more.

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Keep watching dramas !!


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