Loved "Agent Kim Reactivated"? Watch These 7 Spy K-Dramas Next!
Agent Kim Reactivated has quickly become one of the most talked-about action K-dramas of 2026. Starring So Ji-sub as a former North Korean spy who risks everything to rescue his missing daughter, the series has impressed viewers with its brutal fight scenes, emotional storytelling, and suspenseful missions.
Rather than focusing solely on espionage, the drama also explores family, betrayal, and the difficult choices that accompany living a double life.
If you're already counting down the days until the next episode, there are plenty of other Korean dramas that capture a similar thrill.
From undercover NIS agents and dangerous conspiracies to former spies hiding their identities, these seven K-dramas deliver the same mix of action, mystery, and emotional stakes that make Agent Kim Reactivated so addictive.
1. Moving (2023)
At first glance, Kim Bong-seok (Lee Jung-ha), Jang Hui-soo (Go Youn-jung), and Lee Gang-hoon (Kim Do-hoon) seem like ordinary high school students. However, each of them possesses extraordinary abilities inherited from their parents, who have spent years hiding the truth about their past.
As mysterious individuals begin hunting children with supernatural powers, the students discover that their parents, including Kim Doo-sik (Zo In-sung) and Lee Mi-hyun (Han Hyo-joo), were once elite National Intelligence Service agents who carried out dangerous covert missions. The past they tried to leave behind soon catches up with them, forcing both generations to fight for survival.
Aired: August 9 – September 20, 2023
No. of Episodes: 20
Cast: Ryu Seung-ryong, Han Hyo-joo, Zo In-sung, Lee Jung-ha, Go Youn-jung, Kim Do-hoon
Streaming Platform: Disney+
2. My Secret Terrius (2018)
Former National Intelligence Service black agent Kim Bon (So Ji-sub) has been living alone since a failed operation changed his life. His quiet routine takes an unexpected turn when his neighbour Go Ae-rin (Jung In-sun) loses her husband under suspicious circumstances and unknowingly becomes involved in a larger conspiracy.
As Kim Bon investigates the truth behind the case, he secretly protects Ae-rin and her young twins while uncovering a criminal organisation operating in plain sight. His mission gradually brings him back into the world of espionage that he had spent years trying to leave behind.
Aired: September 27 – November 15, 2018
No. of Episodes: 32 (35-minute episodes)
Cast: So Ji-sub, Jung In-sun, Son Ho-jun, Im Se-mi
Streaming Platform: Viki, KOCOWA
Vagabond (2019)
The life of stuntman Cha Dal-geon (Lee Seung-gi) changes forever after his nephew dies in a mysterious plane crash. Refusing to believe it was an accident, he begins searching for answers and uncovers evidence pointing to a large-scale conspiracy involving powerful political figures and international arms deals.
During his investigation, Dal-geon teams up with Go Hae-ri (Bae Suzy), a National Intelligence Service agent working undercover at the Korean embassy in Morocco. Together, they pursue the truth while becoming targets of those determined to keep the conspiracy hidden.
Aired: September 20 – November 23, 2019
No. of Episodes: 16
Cast: Lee Seung-gi, Bae Suzy, Shin Sung-rok
Streaming Platform: Netflix
4. Man to Man (2017)
Elite ghost agent Kim Seol-woo (Park Hae-jin) is assigned a dangerous undercover mission that requires him to work as the bodyguard of famous action star Yeo Woon-gwang (Park Sung-woong). While pretending to protect the celebrity, Seol-woo secretly searches for a set of missing wooden carvings connected to a high-stakes intelligence operation.
As the mission becomes more complicated, Seol-woo finds himself balancing his secret identity with the unpredictable life of a celebrity bodyguard. Along the way, he also crosses paths with Cha Do-ha (Kim Min-jung), Woon-gwang's loyal manager, whose growing curiosity begins to threaten his carefully planned operation.
Aired: April 21 – June 10, 2017
No. of Episodes: 16
Cast: Park Hae-jin, Park Sung-woong, Kim Min-jung, Chae Jung-an
Streaming Platform: Netflix, Viki
5. The Veil (2021)
Top National Intelligence Service field agent Han Ji-hyuk (Namkoong Min) suddenly disappears while investigating a secret operation. A year later, he returns with no memory of what happened during his disappearance, leaving both his colleagues and the agency questioning where his loyalties truly lie.
Determined to recover his lost memories, Ji-hyuk begins investigating the events that led to his disappearance while uncovering hidden enemies within the NIS itself. As the truth slowly comes to light, he realizes the conspiracy reaches far deeper than he ever imagined.
Aired: September 17 – October 23, 2021
No. of Episodes: 12
Cast: Namkoong Min, Park Ha-sun, Kim Ji-eun
Streaming Platform: Viki, KOCOWA
6. IRIS (2009)
Best friends Kim Hyun-jun (Lee Byung-hun) and Jin Sa-woo (Jung Joon-ho) are recruited into the National Security Service, an elite intelligence organization that carries out dangerous covert missions to protect South Korea. As they complete assignments around the world, both agents develop feelings for profiler Choi Seung-hee (Kim Tae-hee).
Their lives take an unexpected turn after a failed mission reveals the existence of a secret organisation known as IRIS. As hidden betrayals and political conspiracies begin to surface, Hyun-jun finds himself hunted by the very people he once trusted.
Aired: October 14 – December 17, 2009
No. of Episodes: 20
Cast: Lee Byung-hun, Kim Tae-hee, Jung Joon-ho, Kim So-yeon, T.O.P
Streaming Platform: KOCOWA, Viki (availability varies)
7. Healer (2014–2015)
Known only by his codename "Healer," Seo Jung-hoo (Ji Chang-wook) works as a night courier who accepts dangerous assignments for clients while avoiding unnecessary contact with others. His latest mission leads him to investigate journalist Chae Young-shin (Park Min-young) and renowned reporter Kim Moon-ho (Yoo Ji-tae), uncovering a decades-old mystery connecting all three of them.
As Jung-hoo gets closer to the truth, he disguises himself as a timid news intern to gather information without revealing his real identity. The investigation slowly exposes hidden secrets involving their parents' generation, forcing him to confront a past that continues to shape the present.
Aired: December 8, 2014 – February 10, 2015
No. of Episodes: 20
Cast: Ji Chang-wook, Park Min-young, Yoo Ji-tae
Streaming Platform: Netflix, Viki
Final Thoughts
Secret agent K-dramas continue to attract viewers with their mix of undercover missions, intelligence operations, political conspiracies, and unforgettable action sequences.
While each series takes a different approach to espionage, they all feature characters who are forced to hide their identities while facing life-threatening missions.
Whether you're interested in elite NIS agents, undercover operatives, or former spies trying to escape their past, these seven K-dramas offer plenty of suspense to keep you hooked from beginning to end.
Have you already watched any of these spy thrillers, or is there another secret agent K-drama you think deserves a spot on the list? Share your recommendations in the comments below!
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