Romantic, sci-fi, and action are some of the most-watched genres when it comes to Korean dramas. Action K-dramas have always been a great entertainment source for people of all genders, ages, and times. Interested in starting with action K-dramas? No need to waste time in finding the best ones, we have made it easier for you! Here is a curated list of 21 top-rated best action K-dramas of all time, that can give you the best adrenaline rush while narrating your best stories.
Top 21 Must-Watch Action-Packed K-Dramas That One Must Watch
1. Mr. Sunshine (2018)
Director: Young Woo Jang, Jihyeon Jeong, Eung Bok Lee
Writer: Kim Eun Sook
Cast: Lee Byung hun, Kim Tae ri, Yoo Yeon Seok, Yo Han Byun
IMDb Rating: 8.7/10
Running time: 80 min
OTT platform: Netflix
Drama Description: Originally titled Miseuteo Shunshain, this action, and romance K-drama features the story of a good-looking young boy in 1871 at the time of the Shinmiyangyo incident who returns to Korea and is enamored of a noblewoman.
2. Chuno (2010)
Director: Jung Hwan Kwak
Writer: Seong il Cheon
Cast: Jang Hyuk, Ji Ho Oh, Lee Da hae, Hyeong jin Kong
IMDb Rating: 8.7/10
Running time: 70 min
OTT platform: KBS
Drama Description: Also named Slave Hunters, this historical action K-drama narrates the tale of Dae Gil- a leader of a group of slave hunters. These slave hunters are hired to find Tae Ha- a slave who freed himself.
3. Healer (2014-15)
Director: Kim Jin Woo, Lee Jung Seob
Writer: Ji Na Song
Cast: Ji Chang Wook, Park Min Young, Tae Mi, Yoo Ji Tae
IMDb Rating: 8.5/10
Running time: 60 min
OTT platform: Viu
K-Dramas Description: Originally titled Hilleo, this action crime and comedy K-drama tells the story of Kim Moon Ho who is a popular reporter. Watch this show to witness his life experiences.
4. Sandglass (1995)
Director: Jong Hak Kim
Writer: Ji Na Song
Cast: Min su Choi, Park Sang Won, Hyun Jung Go, Lee Jung jae
IMDb Rating: 8.4/10
Running time: 70 min
OTT platform: Amazon Prime Video
Drama Description: This best action K-dramas features the story of two men who become friends in the political field.

5. Kingdom (2019-)
Director: Seong Hun Kim, In je Park
Writer: Eun hee Kim
Cast: Ju Ji hoon, Bae Doona, Kim Sungkyu, Kim Hye jun
IMDb Rating: 8.3/10
Running time: 45 min
OTT platform: Netflix
Drama Description: This horror-action K-drama series features a prince who is trying to protect his kingdom from a mysterious plague.
6. Live (2018)
Director: Yang Hui Kim, Hyeon Woo Myeong, Kyoo Tae Kim
Writer: Hee Kyung No
Cast: Jung Yu mi, Kwang Soo Lee, Sung Woo Bae, Chong ok Bae
IMDb Rating: 8.3/10
Running time: 60 mins
OTT platform: MAC Drama
Drama Description: Originally titled Laibeu, this K-drama is a mix of comedy, crime, and action. The show’s plot features tales of police officers and their life and work experiences.
7. D.P. (2021-)
Director: Jun Hee Han
Writer: Kim Bo Tong, Jun hee Han
Cast: Kim Seong Gyoon, Sukku Son, Jung Hae in, Koo Kyo hwan
IMDb Rating: 8.2/10
Running time: 50 min
OTT platform: Netflix
Drama Description: This crime action K-drama plot revolves around a young fellow’s assignment to catch army deserters. Watch it to know his call of duty.
8. Descendants of the Sun (2016)
Director: Eung Bok Lee
Writer: Kim Eun sook, Won Suk Kim
Cast: Song Joong ki, Song Hye kyo, Jin Goo, Kim Ji won
IMDb Rating: 8.2/10
Running time: 60 min
OTT platform: Viki TV
Drama Description: Originally titled Tae Yang Eui Hoo Ye, this comedy action K-drama features the story of a surgeon and special forces officer.
9. The Fiery Priest (2019-)
Director: Myoungwoo Lee
Writer: Park Jae Beom
Cast: Kim Nam Gil, Kim Seong Gyoon, Lee Hanee, Sung woo Jeon, Jaan Go
IMDb Rating: 8.2/10
Running time: 35 min
OTT platform: MX player, SBS
Drama Description: Originally titled Yeolhyeolsaje, this crime and comedy action K-drama features a tale of a Catholic priest who is short-tempered. Watch the show to witness how his name comes in a murder investigation.
10. Bridal Mask (2012)
Director: Yoon Sung Shik
Writer: Hyeon Mi Yu
Cast: Joo Won, Gi Woong Park, Se Yeon Jin, Byung Ho Son
IMDb Rating: 8.2/10
Running time: 60 min
OTT platform: KBS
K-Dramas Description: Originally titled Gaksital, this best action K-drama has a romantic plot set in the 1930s. Watch the show to witness how a Korean police officer secretly puts on the ‘Bridal Mask’ and fights for injustice to Koreans by the Japanese.
11. Hotel Del Luna (2019)
Director: Choong Hwan Oh
Writer: Jeong eun Hong, Mi ran Hong
Cast: Ji eun Lee, Yeo Jin gu, Shin Jeong Geun, Bae Hae sun
IMDb Rating: 8.1/10
Running time: 80 min
OTT platform: Amazon Prime Video
Drama Description: This comedy-action K-drama plot features the story of a man who is invited to keep an eye on a hotel for dead souls.
12. City Hunter (2011)
Director: Hyuk Jin
Writer: Tsukasa Hôjô, Soo jin Choi, Eun kyung Hwang
Cast: Lee Min Ho, Park Min Young, Sang Jung Kim, Ho jin Chun
IMDb Rating: 8.1/10
Running time: 60 min
OTT platform: Netflix
Drama Description: This action K-drama has a romantic thriller plot that features Lee Yun Seong who is trained by his father’s friend to take revenge.
13. Life on Mars (2018)
Director: Jung Hyo Lee
Writer: Lee Dae II
Cast: Jung Kyung ho, Park Sung woong, Ko Asung
IMDb Rating: 8.1/10
Running time: 65 min
OTT platform: OCN
Drama Description: Originally titled La i peu on Ma seu, this mystery crime K-drama features a murder investigation and time travel.
14. Squid Game (2021-)
Director and Writer: Hwang Dong Hyuk
Cast: Lee Jung jae, Park Hae soo, Yasushi Iwaki, Hoyeon
IMDb Rating: 8/10
Running time: 55 min
OTT platform: Netflix
Drama Description: Originally titled Ojing eo geim, this action mystery K-drama features several cash-strapped participants and how they confirm playing a survival game that can make them win 45.6 billion as a prize.
15. Taxi Driver (2021-)
Director: Joon Woo Park
Writer: Carlos, Lee Jae jin, Lee Ji hyun, Sang ho Oh
Cast: Lee Je Hoon, Kim Eui Sung, Pyo Ye Jin, Jang Hyuk jin
IMDb Rating: 8/10
Running time: 70 min
OTT platform: Amazon Prime Video
Drama Description: Originally titled Mobeomtaeksi, this crime-action K-drama features a deluxe taxi driver and how he aims to take revenge in the name of his passengers.
16. W (2016)
Director: Dae Yoon Jung
Writer: David Bannon, Jae Jeong Song
Cast: Lee Jong Suk, Han Hyo Joo, Jeong Eu Gene, Kim Eui sung
IMDb Rating: 8/10
Running time: 60 min
OTT platform: Netflix, MBC
Drama Description: Originally titled W Du Gaeui Segye, this fantasy murder mystery K-drama features a surgical resident who is trapped in a webtoon world.
17. Heartless City (2013)
Director: Jung Hyo Lee
Writer: Yoo Sung Yeol
Cast: Jung Kyung ho, Gyu ri Nam, Jae yoon Lee, Chang min Son
IMDb Rating: 8/10
Running time: 60 min
OTT platform: Apple TV
Drama Description: This crime action K-drama revolves around multiple characters who are into drugs and murders.
18. Tale of the Nine-Tailed (2020-)
Director: Nam Hyeong Jo, Shin Hyo Kang
Writer: Woo Ri Han
Cast: Lee Dong Wook, Kim Bum, Kim Yong Ji, Hwang Hee
IMDb Rating: 7.9/10
Running time: 70 min
OTT platform: Amazon Prime Video
Drama Description: Originally titled Gumihodyeon, this show features the best of a modern horror fantasy drama, set in historical times.
19. Save Me (2017-19)
Director: Seong-soo Kim, Kwon Lee
Writer: Edo Jeong
Cast: Jo Jae Yoon, Ho Jin Chun, Tae Goo Eom, Esom
IMDb Rating: 7.9/10
Running time: 60 min
OTT platform: Viu
Drama Description: Originally titled Goo hae jwo, this mystery, thriller, and action K-drama is a must-watch to witness a tale of a young girl who visits her family but gets captured in a series of tragic events.
20. 2 Weeks (2013)
Director and Writer: Hyung suk Son
Cast: Lee Joon Gi, Ha Seon Park, Soo-young Ryu, Kim So Yeon
IMDb Rating: 7.9/10
Running time: 65 min
OTT platform: Amazon Prime Video
Drama Description: This K-drama features Tae San’s story in which has a time of two weeks to save his daughter from leukemia.

21. Undercover (2021)
Director: Jin-min Kim
Writer: Ba-da Kim
Cast: Hee soon Park, Ahn Bo Hyun, Han So hee, Kim Sang Ho
IMDb Rating: 7.8/10
Running time: 50 min
OTT platform: Netflix
Drama Description: This action K-drama is the story of a lady who serves as an undercover agent by being a part of a crime ring.
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