John Cho joins upcoming Disney+ spy thriller — in a rare K-drama role

2025 PaleyFest LA - "Poker Face" - Source: Getty
Actor John Cho attends the 2025 PaleyFest LA - "Poker Face" event at the Dolby Theatre on March 29, 2025 in Hollywood, California | Image via: Getty

John Cho is soaring into new territory, and it’s not just another galaxy far away. The Hollywood star we know from Harold & Kumar, Star Trek and Searching is about to make waves in the K-drama world with Tempest, an upcoming Disney+ spy thriller set to drop in 2025.

This is a rare but thrilling crossover, a Korean-American actor of Cho’s stature stepping into a fully Korean-language series, playing none other than the U.S. Deputy Secretary of State caught in the middle of geopolitical chaos on the Korean peninsula.

And as if that weren’t enough, Cho is also charming sci-fi fans over on Apple TV Plus’s Murderbot, popping up as a captain in The Rise and Fall of Sanctuary Moon, the gloriously overdramatic space soap inside the show that the titular robot cannot stop bingeing.

However, where Murderbot delivers meta laughs, Tempest aims for high-stakes political drama, weaving together espionage, diplomacy and sharp cultural commentary. With John Cho front and center, it is a project that demands attention not just for what it is, but for what it represents.

What is Tempest and what makes it stand out

On the surface, Tempest is all sleek suits, shadowy meetings, secret dossiers and whispered betrayals. But dig a little deeper and you find a political thriller that refuses to play it safe.

At the core of Tempest is Seo Munju, played by the ever-magnetic Jun Ji Hyun, a veteran diplomat who has seen it all or so she thinks. When a dangerous conspiracy bubbles up, threatening to tip the balance of power on the Korean peninsula, Munju is forced to team up with Sanho, a rogue special agent played by Kang Dong Won, whose agenda is anything but clear.

The creative team reads like a greatest hits playlist of K-drama powerhouses. Director Kim Heewon, the mind behind Vincenzo and Queen of Tears, knows exactly how to mix sharp political games with gut-punch emotion. Add co-director Heo Myunghaeng, fresh off the brutal action of The Outlaws 4, and you get the promise of slick, high-octane sequences woven through the tension.

And the script? It's in the hands of Chung Seo Kyung, the genius behind Decision to Leave and The Handmaiden, which means you can bet on layered characters, razor-edged dialogue and twists that do not insult your intelligence.

But here is the real hook: Tempest is not just a slick local thriller. It's built to hit global audiences, blending Korean political intrigue with international stakes. And sitting right at the pressure point between those two worlds is John Cho, stepping into a role that is part diplomat, part moral compass and part accidental catalyst.

Cho is not just making a guest appearance here, he is stepping fully onto the global K-drama stage and commanding attention at every turn.

Why John Cho’s casting in this K-drama is a big deal

John Cho has spent decades navigating two worlds. In Hollywood, he is the cool, self-aware star of Harold & Kumar, the sharp Sulu in Star Trek, the anxious but determined father in Searching.

However, between the lines, Cho has always represented something more, the rare Korean-American actor breaking through the walls of an industry that often sidelines Asian faces or flattens them into clichés.

What makes his casting in Tempest stand out is not just the novelty of seeing him in a K-drama, it's the emotional and cultural weight he brings. Now, Cho steps directly into the Korean entertainment machine, not as a visiting guest but as a key player shaping the story’s international pulse.

Playing the U.S. Deputy Secretary of State in a series built on political games and global stakes means Cho’s character is central to the tension. He becomes the narrative’s connector between Korea and America, both on screen and off.

This career move is as symbolic as it is strategic, signaling John Cho’s expansion beyond Hollywood and tapping into the massive, hungry global audience following K-dramas today.

Disney+ and its global K-drama ambitions

Disney+ is not here to play small in the K-drama arena. Over the past few years, the platform has been steadily building its Korean slate, stacking its catalog with hits like Big Bet, Moving and Vigilante, all part of a calculated push to challenge Netflix’s early dominance in the space. But Tempest feels like a turning point, a series designed not just for local success but for global conversation.

By casting John Cho, Disney+ is signaling that this is not a niche drama tucked away in an international section. This is a show meant to travel, to spark headlines, to invite viewers who might never have dipped into Korean television before. This is the kind of move that says Disney is not just riding the K-drama wave, it's helping shape it.

Cho’s involvement also reflects a bigger truth about where K-dramas are headed. No longer limited by borders, these stories are increasingly hybrid, blending Korean cultural specifics with universal themes and international characters.

Whether it's the stylish violence of Big Bet or the emotional punch of Moving, Disney+ is betting on K-dramas as a centerpiece of its global strategy. And with Tempest, they are going all in.

Cross-cultural casting: a rising trend

There is something thrilling about seeing the walls between entertainment industries crumble. Not long ago, the idea of a Hollywood actor like John Cho stepping into a K-drama would have sounded like a one-off gimmick. But today, it feels like part of a much larger shift.

We have already seen series like Pachinko and XO, Kitty blending Korean and Western perspectives, creating worlds where characters switch languages, codes and cultural expectations without missing a beat. International audiences are no longer just passive observers, they are active participants, hungry for stories that mirror the messy, globalized realities they live in.

John Cho’s role in Tempest plugs straight into that energy. It's not about slapping a famous face onto a poster for easy clicks, it's about deepening the narrative with an actor who brings both Hollywood weight and a Korean-American lens.

While over on Apple TV Plus’s Murderbot Cho plays a captain inside The Rise and Fall of Sanctuary Moon, the fictional space soap adored by the series’ titular robot, in Tempest he will step into something meatier, something layered with cultural resonance.

This cross-cultural casting is not a just trend; it's the new reality of global entertainment. And Tempest is positioned to be one of the series that pushes the conversation forward.

When and where will Tempest premiere

Tempest is set to hit Disney+ in 2025, though the exact release date is still under wraps. If the platform follows the same playbook as with recent Korean hits, we can expect a multi-episode drop at launch, designed to hook viewers fast, followed by a steady weekly rollout that keeps the tension simmering and the buzz alive.

Anticipation is already crackling, not just in Korea but across global fan circles. With a powerhouse cast led by Jun Ji Hyun, Kang Dong Won and John Cho, Tempest is shaping up as one of Disney+’s signature international titles for the year.

The platform is likely to push it hard, positioning it front and center on menus, teasers and global marketing campaigns, aiming to pull in not only K-drama fans but curious newcomers as well.

For longtime Cho followers, this project offers something special. This is a rare opportunity to watch him navigate storylines and cultural beats tied directly to his heritage.

Tempest feels less like just another series on the calendar and more like a cultural moment waiting to happen.

Conclusion: a series with stakes on and off screen

With John Cho stepping into the world of K-drama, we are watching more than a casting decision or a clever marketing move. We are watching an industry moment where boundaries between local and global, Hollywood and Seoul, dissolve in real time.

Cho’s presence carries weight beyond the plot. Here is an actor who has spent his career moving between cultures, between languages, between audiences, and now he gets to bring all of that into a story that is itself about crossing lines, breaking systems and reshaping power.

For Disney Plus, Tempest is not just another checkbox in its international catalog. It's a signal flare, proof that K-dramas have become global territory, that these stories can carry the same tension, urgency and international firepower as any prestige thriller on the market.

This is not comfort viewing, not background noise. This is a series made to pull you in, challenge you and remind you that the best stories do not stay neatly inside their borders. Tempest is coming, and it is bringing the storm with it.

Edited by Beatrix Kondo