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Secretly, Greatly
Full Movie·2013·2h 4m·ko

Secretly, Greatly

Playing the fool for the Dear Leader.

Three elite North Korean sleeper agents are forced to live under deep cover in South Korea, adopting seemingly ordinary lives. But when a sudden, brutal order comes down, their mission turns from infiltration to an impossible choice: kill each other or face death themselves. A thrilling blend of action, drama, and unexpected comedy.

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Movie OTT Editorial

4 min read · Published July 1, 2026

7.0/10

The Story of Secretly, Greatly: Spies in Disguise

Secretly, Greatly, the 2013 South Korean action comedy-drama, thrusts viewers into the precarious world of North Korean sleeper agents embedded in the South. The film introduces us to three highly trained operatives, each tasked with maintaining an elaborate cover identity in a quiet South Korean town. There's Won Ryu-hwan, an elite agent disguised as the village idiot, Dong-gu, whose daily routine involves public humiliation and delivering packages. Then there's Lee Hae-rang, a former high-ranking officer living as a struggling rock musician, and Lee Hae-jin, the youngest of the trio, posing as a high school student. For too long, these men have lived their fabricated lives, so much so that the lines between their true identities and their aliases begin to blur, creating a poignant and often darkly humorous tension. Their quiet, almost mundane existence is shattered when a sudden, devastating order arrives from the North: eliminate one another or be eliminated by an elite hit squad. A cruel twist of fate, indeed.

Behind the Making of Secretly, Greatly: From Webtoon to Blockbuster

Released in 2013, this 124-minute film quickly captured the imagination of audiences, largely due to its compelling source material and a stellar cast. Produced by MCMC, KEYEAST, Michigan Venture Capital, Daemyung Culture Factory, and Showbox, the movie is based on the popular webtoon series Covertness by Hun. This origin story is key to understanding its appeal, as the webtoon already had a dedicated fanbase eager to see their beloved characters brought to life. Starring Kim Soo-hyun as the enigmatic Won Ryu-hwan/Dong-gu, Park Ki-woong as the rebellious Lee Hae-rang, and Lee Hyun-woo as the earnest Lee Hae-jin, the film benefited from the rising star power of its leads. Kim Soo-hyun, in particular, was at a peak in his career, and his commitment to the dual role—master spy and bumbling fool—was a major draw. The production team skillfully navigated the script's intricate blend of action, drama, and comedy, ensuring that the film’s serious political undertones didn't overshadow its moments of levity or its intense fight sequences. Honestly, it's a testament to Korean cinema's knack for genre fusion.

What Makes Secretly, Greatly Resonate: Performances and Themes

The enduring appeal of Secretly, Greatly lies squarely in its ability to explore profound thematic keywords like politics, spy narratives, bromance, communism, and inter-Korean relations through the lens of deeply personal sacrifice. What's striking is how effectively the film balances its dramatic tension with genuine comedic moments, often derived from the agents' attempts to maintain their ridiculous cover stories. Kim Soo-hyun's performance is often singled out, and for good reason—his portrayal of Dong-gu, the village idiot, is both hilarious and heartbreaking, a stark contrast to the cold, calculating operative he truly is. The camaraderie, or "bromance," between the three leads feels authentic, making their ultimate dilemma all the more impactful. We see their humanity shine through their indoctrination, especially in a particularly poignant scene where Dong-gu, despite his 'idiot' persona, instinctively protects a local child. The film doesn't shy away from the harsh realities of their situation, earning its 6.993/10 IMDb rating by delivering a story that is both entertaining and emotionally resonant. As The Korea Herald reportedly observed at the time, "The film transcends its action roots to deliver a poignant commentary on identity and loyalty in a divided nation."

Where to Stream Secretly, Greatly Online

For those looking to watch Secretly, Greatly, you're in luck! This compelling action-drama is currently available on major OTT services. Movie OTT makes it easy to find where to stream your favorite films, and you can check the "Where to Watch" widget at the top of this page for the most up-to-date availability across all platforms. We track current streaming availability across Netflix, Prime Video, and other leading services, ensuring you don't miss out. Finding your next movie night pick has never been easier—just one click on Movie OTT and you're there.

Frequently asked questions

Q: Is Secretly, Greatly based on a comic?

Yes, Secretly, Greatly is based on the popular South Korean webtoon series titled Covertness by Hun. The film successfully adapted the comic's blend of action, drama, and comedy for the big screen.

Q: Who are the main stars in Secretly, Greatly?

The film stars Kim Soo-hyun as Won Ryu-hwan (Dong-gu), Park Ki-woong as Lee Hae-rang, and Lee Hyun-woo as Lee Hae-jin. These three actors portray the elite North Korean sleeper agents.

Q: What is the runtime of Secretly, Greatly?

Secretly, Greatly has a runtime of 124 minutes, offering a substantial cinematic experience that allows for thorough character and plot development.

Q: When was Secretly, Greatly released?

This South Korean action comedy-drama was released in 2013, quickly becoming a significant box office success and a fan favorite.

Q: What genres define Secretly, Greatly?

Secretly, Greatly is a unique blend of Action, Drama, and Comedy. It seamlessly weaves intense spy action with heartfelt character drama and surprising humor.

Final Thoughts on Secretly, Greatly's Enduring Appeal

If you're searching for a film that delivers more than just high-octane action, Secretly, Greatly is an excellent choice. It's a poignant exploration of identity, loyalty, and the human cost of political conflict, all wrapped up in an engaging narrative. The film truly excels in its character development, making you care deeply for these flawed, yet heroic, individuals caught in an impossible situation. For fans of Korean cinema, especially those who appreciate stories that skillfully mix genres and provoke thought, this 2013 release is an absolute must-watch. It won't disappoint.

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Streaming charts today

Secretly, Greatly is #17,510 on the Movie OTT Daily Streaming Charts today. (first day on the chart — check back tomorrow for movement)

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