Top 15 Thriller Korean Dramas You Need To Watch On Viki

Viki is the best platform to watch Kdramas for free. If you're looking for some thriller shows on Viki, read on.

Korean dramas are enjoying a lot of popularity these days and a major part of their popularity is played by the availability of streaming platforms. Different OTT platforms are now streaming dramas around the world.

Some of the top platforms include Netflix, Viki, Prime Video, Viu, WeTV, Disney+, and MX Player. They offer a lot of Kdramas dubbed and subbed in regional languages. It becomes easy for audiences who hate to read subtitles.

Thriller Kdramas On Viki

Viki is the top platform featuring numerous dramas from South Korea. It offers subtitles in different languages and most of the dramas are free to watch. You can also subscribe to their plan at a low cost.

thriller korean dramas on viki

If you’re interested in watching a thriller series, Viki has some of the highest-rated dramas that will keep you hooked till the end. Here is the list of recommended thriller dramas that you can watch on Viki.

1. Happiness

Hangul: 해피니스

Year: 2021

In the near future, a new apartment building has been built. The people who live there come from different places, but a new disease spreads quickly. It shows the psychological battle and the way that people from different classes treat each other.

happiness kdrama 11


4 5 star rating

Main Cast (Characters):

  • 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 (65 min. each)

Streaming Options (region-specific):

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Viki button
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2. 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?”

mouse kdrama 11

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

3. 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.

Read Flower Of Evil Review

flower of evil kdrama 11

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

Watch On – Netflix, Viki, MX Player

4. Decoy

A former lawyer turned detective looks into a series of murders that are linked to a presumed-dead scammer. He works with a reporter on this investigation, but they soon realize that they are not the only ones looking for the killer.

decoy kdrama 11

Cast –

  • Jang Geun Suk as Koo Do Han
  • Heo Sung Tae as Noh Sang Cheon
  • Lee Elijah as Jeon Na Yeon
  • Yoo Sung Joo as Park Sang Do

No. Of Episodes – 12

Watch On – Viki, Prime Video

5. Taxi Driver

Hangul: 모범택시

Year: 2021

Do Gi is a taxi driver for a company that offers a service called “revenge call” to its customers. It is a secret group that takes care of people whom the law failed to protect. Do Gi and his coworkers will take revenge for customers who ask them to.

taxi driver kdrama 11


4 5 star rating

Main Cast (Characters):

  • 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 (65 min. each)

Streaming Options (region-specific):

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6. The Devil Judge

Hangul: 악마판사

Year: 2021

The drama is set in a dystopic version of Korea. Three judges work together to bring justice and peace through a courtroom live show that airs on TV. Kang Yo Han, a cruel head trial judge, is made the chief judge.

the devil judge kdrama 11


4 5 star rating

Main Cast (Characters):

  • Ji Sung as Kang Yo Han
  • Kim Min Jung as Jung Sun Ah
  • Park Jin Young as Kim Ga On
  • Park Gyu Young as Yoon Soo Hyun

No. Of Episodes: 16 (75 min. each)

Streaming Options (region-specific):

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7. Watcher

15 years ago a horrific murder is committed changing the lives of Do Chi Kwang, a senior detective, Han Tae Joo, a former prosecutor, and Kim Young Goon, a policeman. They become members of an internal affairs investigation team to uncover the truth.

watcher kdrama 11

Cast –

  • Seo Kang Joon as Kim Young Goon
  • Han Seok Kyu as Do Chi Kwang
  • Kim Hyun Joo as Han Tae Joo
  • Park Joo Hee as Jo Soo Yeon

No. Of Episodes – 16

Watch On – Viki

8. 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.

beyond evil kdrama 11

Cast –

  • Shin Ha Kyun as Lee Dong Shik
  • Yeo Jin Goo as Han Joo Won
  • Choi Dae Hoon as Park Jung Je
  • Choi Sung Eun as Yoo Jae Yi

No. Of Episodes – 16

Watch On – Netflix, Viki, Prime Video

9. Tell Me What You Saw

Hyun Jae used to be a top criminal profiler. He gets vanished after his fiance’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.

tell me what you saw kdrama 11

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

10. Defendant

Hangul: 피고인

Year: 2017

Park Jung Woo is a lawyer who has lost his memory and finds out that he is already on death row. He has no choice but to race against time to find out what caused his situation and prove that he is not guilty.

defendant kdrama 11


4 5 star rating

Main Cast (Characters):

  • 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

No. Of Episodes: 18 (70 min. each)

Streaming Options (region-specific):

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Viki button
Kocowa button
Mx player button
Free streaming sites button

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.

through the darkness kdrama 11

Cast –

  • Kim Nam Gil as Song Ha Young
  • Kim So Jin as Yoon Tae Goo
  • Jin Seon Kyu as Kook Young Soo
  • Ryeoun as Jung Woo Joo

No. Of Episodes – 16

Watch On – Viki, MX Player

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 through a mysterious train that shows up in the abandoned station to track the serial killer with the help of the other Seo Kyung.

train kdrama 11

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. Awaken

Jung Woo, the leader of a special task force, ends up investigating a series of murders. Together with his team, they uncover clues that these crimes are somehow related to a tragic event that happened 28 years ago.

awaken kdrama 11

Cast –

  • Namgoong Min as Do Jung Woo
  • Kim Seol Hyun as Gong Hye Won
  • Lee Chung Ah as Jamie Layton
  • Yoon Sun Woo as Moon Jae Woong

No. Of Episodes – 16

Watch On – Netflix, Viki

14. Duty After School

Hangul: 방과 후 전쟁활동

Year: 2023

The drama, which is based on a webtoon, tells the story of kids from all over the country who are forced to fight for survival after a mysterious alien invasion and against each other in order to earn bonus points before taking the SAT.

duty after school kdrama 12


4 star rating

Main Cast (Characters):

  • Shin Hyun Soo as Lee Chun Ho
  • Im Se Mi as Park Eun Young
  • Kim Ki Hae as Kim Chi Yeol
  • Lee Soon Won as Kim Won Bin

No. Of Episodes :10 (75 min. each)

Streaming Options (region-specific):

Viki button
Free streaming sites button

15. Lies Hidden in My Garden

Joo Ran, a perfect housewife, discovers an odd fragrance in her backyard. She discovers Sang Eun, a domestic violence victim with a dark secret. They must work together to unearth the truth and justice as their lives intertwine.

lies hidden in my garden kdrama 11

Cast –

  • Kim Tae Hee as Joo Ran
  • Im Ji Yeon as Sang Eun
  • Kim Sung Oh as Jae Ho
  • Choi Jae Rim as Yoon Beom

No. Of Episodes – 8

Watch On- Viki, Prime Video

Wrapping Up

So these were the recommended thriller Korean dramas to stream on Viki. You can watch these on your laptop, smartphone, or television as the app is available on all platforms.

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1. Which Korean drama should I watch on Viki?

You can thriller dramas on Viki such as Happiness, Awaken, Through The Darkness, The Devil Judge, Duty After School, etc.

2. Which thriller dramas are free on Viki?

Some of the thriller dramas that you can watch for free on Viki are Flower Of Evil, Mouse, Taxi Driver, Tell Me What You Saw, and Train.

3. Which is better Netflix or Viki?

Viki is better than Netflix. The reason is that Viki has more dramas and is cheaper than Netflix. It also has subtitles in regional languages.

Hi! I'm Alma Santos from Philippines. I have watched over hundreds of dramas and can speak Korean a little bit. My favorite drama is Crash Landing On You.

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