10 Best K-Dramas Like Agent Kim Reactivated That Every Action Fan Must Watch

If Agent Kim Reactivated kept you glued to the screen with its explosive action, emotional father-daughter story, and high-stakes missions, you’re probably wondering what to watch next. The good news is that Korean dramas have no shortage of unforgettable action thrillers featuring skilled fighters, undercover agents, vigilantes, and heroes who never back down when everything is on the line.

Finding K-Dramas Like Agent Kim Reactivated isn’t just about nonstop fight scenes. The best alternatives also deliver emotional stakes, memorable characters, and stories that make every victory feel earned. That’s exactly how this list has been selected.

I personally enjoy action series that balance intense combat with meaningful character development. A perfectly choreographed fight is exciting, but it becomes far more satisfying when you genuinely care about the people involved. That’s one reason why several dramas on this list have stayed in my recommendations long after I finished watching them.

From brutal boxing matches and secret intelligence operations to revenge missions and undercover investigations, these ten K-dramas offer different flavors of action while keeping the same adrenaline-pumping spirit that made Agent Kim Reactivated so entertaining.

Quick Comparison: Best KDramas Like Agent Kim Reactivated

How We Chose These K-Dramas

There are plenty of action K-dramas available today, but this list wasn’t built around action alone. Every recommendation shares at least one major strength with Agent Kim Reactivated, whether it’s an elite fighter, a dangerous mission, a revenge-driven story, or characters forced to protect the people they love.

Another factor I paid close attention to was rewatch value. Some action dramas impress with flashy fight scenes but lose momentum after a few episodes. The dramas featured here stay engaging because they combine strong storytelling with memorable characters. Several of them are still among the first titles I recommend whenever someone asks for a fast-paced Korean thriller.

I’ve also included a mix of spy thrillers, revenge dramas, crime stories, vigilante series, and military-style action, so you’ll find something to match your favorite part of Agent Kim Reactivated instead of getting ten shows that all feel the same.

Also Read: 7 Must-Watch So Ji Sub K-Dramas

1. Bloodhounds

What makes Bloodhounds such a perfect follow-up to Agent Kim Reactivated? It’s the same feeling of watching highly trained fighters throw themselves into impossible situations to protect innocent people. Instead of secret agents, this drama focuses on two young boxers who use their strength and loyalty to take down a ruthless loan shark organization.

• Episodes: 8+7 (2 Seasons)
• Genre: Action, Crime, Thriller
• Starring: Woo Do-hwan, Lee Sang-yi, Park Sung-woong, Jung Ji-Hoon
• Streaming On: Netflix

Story: After leaving the military, talented boxer Kim Geon-woo is trying to support his family through honest work. His life changes overnight when his mother’s café becomes a target of a powerful loan shark syndicate. Determined to fight back, Geon-woo joins forces with fellow boxer Hong Woo-jin, and the two become part of a dangerous mission led by a respected businessman who has dedicated his life to helping victims of financial exploitation.

As they confront increasingly violent criminals, every fight becomes more personal. The drama balances intense action with emotional friendships, making every victory feel meaningful instead of just another fight scene.

I’ve watched plenty of Korean action dramas, but Bloodhounds left a different impression on me. The boxing matches feel so raw and realistic that, after finishing the series, I genuinely felt like learning boxing myself. Every punch carries weight, and the chemistry between Geon-woo and Woo-jin keeps you emotionally invested from start to finish.

If your favorite part of Agent Kim Reactivated was watching a fearless hero protect the people he cares about, this drama should be your first pick.

2. Vagabond

Ever wondered what happens when an ordinary man is forced into a deadly conspiracy? That’s exactly what makes Vagabond a great choice after Agent Kim Reactivated. Both dramas throw their lead characters into life-threatening situations where survival depends on courage, quick thinking, and relentless determination.

• Episodes: 16
• Genre: Action, Spy, Thriller, Mystery
• Starring: Lee Seung-gi, Bae Suzy
• Streaming On: Netflix

Story: Cha Dal-geon is a stuntman whose life falls apart after his young nephew dies in a mysterious plane crash. Refusing to believe it was an accident, he begins investigating on his own and uncovers a conspiracy involving corrupt officials, intelligence agencies, and powerful politicians. Along the way, he teams up with National Intelligence Service agent Go Hae-ri, and together they race to expose the truth before becoming targets themselves.

A large part of Vagabond was filmed in Morocco and Portugal, giving the series a cinematic international feel that’s rarely seen in Korean dramas. The production also featured extensive on-location action sequences instead of relying heavily on studio sets.

It never feels like a typical TV drama because every episode looks and feels like an action movie. The chase scenes, gunfights, and suspense kept me hooked, and I ended up watching multiple episodes in one sitting because every ending made me curious about what would happen next.

Best For: Viewers who enjoy spy missions, political conspiracies, and action thrillers with a cinematic feel.

3. Taxi Driver

If your favorite part of Agent Kim Reactivated was watching a skilled fighter take down dangerous criminals, Taxi Driver deserves a spot on your watchlist. Both dramas feature a fearless protagonist who puts himself in harm’s way to protect people who have nowhere else to turn.

• Episodes: Season 1 (16 Episodes), Season 2 (16 Episodes), Season 3
• Genre: Action, Crime, Thriller, Revenge
• Starring: Lee Je-hoon, Esom, Kim Eui-sung, Pyo Ye-jin
• Streaming On: Viki, Netflix (availability may vary by region)

Story: By day, Kim Do-gi works as an ordinary taxi driver. Behind the wheel, however, he is part of the mysterious Rainbow Taxi team, a secret organization that delivers justice to criminals who escape legal punishment. Every mission is inspired by a new victim’s story, leading Kim Do-gi to go undercover, outsmart ruthless villains, and carry out carefully planned revenge operations.

One thing I absolutely loved about Taxi Driver is how unpredictable every mission feels. Just when I thought I had figured out Kim Do-gi’s next move, the story surprised me with another clever twist. Lee Je-hoon’s screen presence is incredible, and his ability to switch between different undercover identities makes every episode even more entertaining.

Taxi Driver is based on the popular webtoon The Deluxe Taxi and became such a massive success that it was renewed for multiple seasons. Lee Je-hoon’s performance as Kim Do-gi is widely considered one of the best action roles of his career.

4. Weak Hero Class 1

Don’t let the school setting fool you. Weak Hero Class 1 delivers some of the smartest and most intense fight sequences you’ll find in a K-drama. Like Agent Kim Reactivated, it proves that winning a fight isn’t always about physical strength—it’s about staying one step ahead of your opponent.

• Episodes: Season 1 (8 Episodes), Season 2 (8 Episodes),
• Genre: Action, Coming-of-Age, Drama, Thriller
• Starring: Park Ji-hoon, Choi Hyun-wook, Hong Kyung
• Streaming On: Netflix

Yeon Si-eun is one of the brightest students in his class, but he has no interest in making friends or getting involved in school conflicts. Everything changes when he becomes the target of relentless bullies. Instead of backing down, Si-eun uses his intelligence, quick reflexes, and anything around him to defend himself. Along the way, he forms an unlikely friendship with Ahn Su-ho and Oh Beom-seok, but their bond is tested as violence and betrayal begin to change their lives.

Also Read: Top 10 Best High School Korean Dramas of All Time – Ranked

I started Weak Hero Class 1 expecting a simple school action drama, but it turned out to be one of the biggest surprises I’ve watched. The fight scenes feel realistic because they’re driven by strategy instead of superhuman strength. What stayed with me long after the finale was the emotional journey of the three main characters. Their friendship feels genuine, which makes every conflict even more heartbreaking.

Best For: Viewers who enjoy realistic action, emotional character development, and stories where intelligence is just as powerful as physical strength.

5. The K2

What if a former elite soldier had to protect someone while powerful enemies closed in from every direction? That’s the same kind of tension that makes The K2 a perfect follow-up to Agent Kim Reactivated. Both dramas feature highly trained fighters, dangerous missions, and heroes who never hesitate when someone’s life is at stake.

• Episodes: 16
• Genre: Action, Political Thriller, Romance
• Starring: Ji Chang-wook, Im Yoon-ah (Yoona), Song Yoon-a
• Streaming On: Viki, Amazon Mx Player

Story: Kim Je-ha is a former special forces soldier who returns to South Korea after being betrayed during a mission overseas. With nowhere else to go, he is hired as a bodyguard by Choi Yoo-jin, the ambitious wife of a presidential candidate. His assignment soon becomes far more complicated when he is ordered to protect Go Anna, the politician’s hidden daughter, who has spent years isolated from the outside world.

Whenever someone asks me to recommend an action K-drama with unforgettable fight scenes, The K2 is always one of my first choices. Ji Chang-wook completely owns this role. His action sequences are fast, clean, and incredibly satisfying to watch. Even years after its release, many of the fight scenes still hold up remarkably well, which says a lot about the quality of the choreography.

6. Mercy for None

Sometimes the most dangerous heroes are the ones who just want a peaceful life. Mercy for None shares that same powerful idea with Agent Kim Reactivated. Both dramas follow a legendary fighter who is forced to return to a violent world after a personal tragedy, leading to a relentless journey filled with brutal action and emotional stakes.

• Episodes: 7
• Genre: Action, Crime, Noir, Revenge
• Starring: So Ji-sub, Huh Joon-ho, Ahn Kil-kang, Lee Beom-soo
• Streaming On: Netflix

For years, Nam Gi-jun stayed away from the criminal underworld after leaving a notorious gang behind. He wanted to leave his violent past buried forever. But everything changes when his younger brother dies under mysterious circumstances. Refusing to accept the official explanation, Gi-jun launches his own investigation and finds himself caught in a deadly conflict between powerful crime organizations.

With every clue he uncovers, the truth becomes darker, and old enemies begin to resurface. What starts as a search for answers quickly turns into an unforgiving revenge mission where survival depends on his unmatched fighting skills.

The first thing that caught my attention was So Ji-sub’s screen presence. He barely needs long speeches to command every scene. His calm expressions make the action even more intense because you know something explosive is about to happen. If you enjoy dark revenge stories with realistic violence and strong emotional motivation, this drama won’t disappoint.

Also Read: Top 10 Best intense Fight Korean action series on Netflix

7. Moving

At first glance, Moving may seem very different because it includes superhuman abilities. But look beyond the powers, and you’ll find the same emotional core that made Agent Kim Reactivated so compelling. Both dramas revolve around parents willing to risk everything to protect their children while facing enemies from their dangerous past.

• Episodes: 20
• Genre: Action, Superhero, Mystery, Drama
• Starring: Ryu Seung-ryong, Han Hyo-joo, Zo In-sung, Lee Jung-ha, Go Youn-jung, Kim Do-hoon
• Streaming On: Disney+

Several high school students are born with extraordinary abilities inherited from their parents, who once worked on secret government missions. To keep their children safe, these former agents hide their identities and live ordinary lives. Their peaceful world begins to fall apart when mysterious assassins start targeting people with special abilities, forcing both generations to fight side by side.

As long-buried secrets come to light, the series blends breathtaking action with heartfelt family moments, creating a story that’s just as emotional as it is thrilling.

Best For: Fans of emotional action dramas, secret-agent stories, and character-driven adventures with a fresh twist.

8. My Name

Looking for another K-drama where the main character refuses to give up, no matter the odds? My Name captures that same determination found in Agent Kim Reactivated. Both stories follow a protagonist who enters a dangerous world, risks everything for the truth, and takes on powerful enemies through sheer skill and courage.

• Episodes: 8
• Genre: Action, Crime, Thriller, Revenge
• Starring: Han So-hee, Park Hee-soon, Ahn Bo-hyun
• Streaming On: Netflix

Yoon Ji-woo’s life changes forever after witnessing her father’s murder. Desperate to uncover the truth, she joins the criminal organization led by Choi Mu-jin, believing he can help her find the killer. Years later, she adopts a new identity and infiltrates the police force as an undercover officer. Caught between the law and the criminal underworld, Ji-woo soon realizes that almost everyone around her is hiding dangerous secrets.

I still remember how surprised I was by Han So-hee’s transformation in this drama. Before watching My Name, I mostly knew her from romantic roles. Seeing her perform such intense action scenes completely changed my impression of her as an actress. She carries the entire series with confidence, and every fight feels raw, emotional, and believable.

Best For: Fans of revenge dramas, undercover missions, and strong female protagonists who can dominate every action scene.

9. A Shop for Killers

Have you ever wondered how an ordinary person would survive if they suddenly became the target of the world’s deadliest assassins? That’s exactly the kind of high-pressure situation that makes A Shop for Killers a great companion to Agent Kim Reactivated. Both dramas combine elite combat skills, hidden identities, and relentless enemies who never stop hunting their targets.

• Episodes: 8
• Genre: Action, Thriller, Mystery
• Starring: Lee Dong-wook, Kim Hye-jun, Jo Han-sun
• Streaming On: Disney+

After the sudden death of her uncle Jeong Jin-man, college student Jeong Ji-an returns to the remote house where she grew up. Before she has time to process her loss, highly trained assassins begin attacking from every direction. As she fights to stay alive, Ji-an uncovers the shocking truth about her uncle’s secret business and realizes he spent years preparing her for a day he knew would eventually come.

Each episode reveals another piece of the mystery while delivering stylish action, tense shootouts, and clever survival tactics.

A Shop for Killers is based on Kang Ji-young’s novel The Killer’s Shopping Mall, not a webtoon. Lee Dong-wook received praise for portraying a calm, highly skilled mentor whose influence drives the entire story, even when he’s off-screen.

10. Bad and Crazy

Want something that mixes explosive action with an unpredictable hero? Bad and Crazy is an excellent choice. Like Agent Kim Reactivated, it follows a skilled fighter who repeatedly puts himself in danger while taking on powerful criminals. The difference is that this drama adds psychological twists and dark humor, making every episode feel fresh.

• Episodes: 12
• Genre: Action, Crime, Thriller, Dark Comedy
• Starring: Lee Dong-wook, Wi Ha-joon, Han Ji-eun, Cha Hak-yeon
• Streaming On: iQIYI, Prime Video (availability may vary by region)

Ryu Soo-yeol is a corrupt yet successful police detective who cares more about promotions than doing the right thing. His life takes an unexpected turn when a fearless and mysterious man known only as “K” suddenly appears. K pushes Soo-yeol to confront criminals head-on and rediscover the sense of justice he had long abandoned.

As the story unfolds, shocking secrets about K’s identity begin to emerge, transforming the series from a straightforward crime thriller into an emotionally satisfying psychological action drama.

I’ll be honest—I didn’t expect Bad and Crazy to make me laugh as much as it did. The action is excellent, but the chemistry between Lee Dong-wook and Wi Ha-joon steals the show. One moment you’re watching an intense fight, and the next you’re smiling because of their hilarious interactions. That balance keeps the series entertaining from beginning to end.

Also Read: 5 Best Action Comedy Korean Movies on Netflix

Before You Start Watching…

If Agent Kim Reactivated left you wanting more explosive action, these ten K-dramas are absolutely worth adding to your watchlist. Bloodhounds delivers the most realistic hand-to-hand combat, Vagabond raises the stakes with an edge-of-your-seat spy story, and Taxi Driver offers some of the most satisfying revenge missions in Korean television.

Personally, Bloodhounds remains my top recommendation. The fight choreography feels so authentic that, after finishing the series, I genuinely felt like learning boxing myself. If you’ve already watched it, Vagabond and The K2 are excellent choices to continue your action K-drama marathon.

As for me, I’m heading straight to A Shop for Killers Season 2 next. 😊 I can’t wait to see what happens after that intense first season, and hopefully it delivers the same thrilling experience.