Overstake Goes Full Sci-Fi With Generative AI World Rebuild
Director Stas Mareev is rebuilding the world of sci-fi thriller Overstake using generative AI, with Hong Kong's Cappu Films shopping the project at Busan.
By Marla Devine11 October 2026 · Reported first by Variety

The key facts
- Hong Kong sales company Cappu Films acquired worldwide sales rights for sci-fi thriller Overstake.
- Writer and director Stas Mareev filmed live-action scenes before using generative AI to rebuild the movie's settings.
- Cappu Films introduced the project to international buyers at the Asian Contents and Film Market in Busan.
- The production combines physical human performances directly with computer-generated environments.
What happened with Overstake
Hollywood has spent the last two years arguing about computers taking over movie sets. Writers marched, actors carried signs, and studio bosses swore they were only curious about the tech. Well, cut through the talk and look at what is actually happening on festival sales floors right now.
A new sci-fi action flick called Overstake is taking the plunge in a very big way. Variety reports that Hong Kong sales outfit Cappu Films just scooped up worldwide rights to the project. They aren't waiting around to see where the dust settles on machine-made movies. They're taking it straight to buyers at the Asian Contents and Film Market during the Busan International Film Festival.
The twist? This isn't just another low-budget indie leaning on basic computer graphics. Writer and director Stas Mareev actually shot the thing with living, breathing actors on physical sets. But instead of hiring a massive team of visual effects artists to spend three years polishing digital backgrounds, the production team is running the entire environment through generative artificial intelligence tools.
They are literally rebuilding the movie's whole world through algorithms. You read that right. Flesh-and-blood actors, but everything around them gets recreated by code.
The background on Stas Mareev's bold bet
Let's be honest for a second. Independent sci-fi is usually brutal to pull off. You either need a Marvel-sized bank account to paint massive neon cities in post-production, or you end up with cardboard spaceships that look like an old high school drama prop.
Stas Mareev clearly decided to dodge both traps. The filmmaker wrote and directed Overstake with high-octane sci-fi action in mind. When you want flying bullets, grim futuristic streets, and massive industrial backdrops on an indie budget, traditional visual effects bills can kill a movie before it ever hits a screen.
So Mareev took the cameras out, filmed the real human performances, and then handed the surroundings over to generative AI tech. The goal is simple enough: give a scrappy indie thriller the kind of sprawling, razor-sharp visual scale that normally costs eighty million dollars.
Whether film purists want to hear it or not, indie filmmakers are desperate for ways to compete with the big studios. Mareev is treating the new tech like a turbocharged paint set. Instead of building physical cities or paying armies of animators, his team is letting computers dream up the backgrounds frame by frame.
What Cappu Films is pitching in Busan
Now comes the tricky part: selling it to the people who actually write the cheques.
Cappu Films didn't pick up Overstake to stash it on a hard drive. Variety revealed the Hong Kong sales outfit is using the bustling Asian Contents and Film Market at Busan to pitch the movie to global distributors. Film markets like Busan are where deals get done behind closed doors, in hotel suites and convention halls, over espresso and fast handshakes.
Buyers usually want safe bets. They want big stars, familiar franchises, or spotless technical credits. Pitching an action flick where the environments got generated by algorithms is definitely a curveball. It is risky, it is noisy, and it instantly gets people talking.
Cappu Films is clearly banking on curiosity. Every single film buyer on the planet is trying to figure out if audiences will accept movies built with this tech. By putting Overstake right in front of them, Cappu is offering an early answer to the industry's most uncomfortable question: does the finished product actually look good enough for the big screen?
Why everyone in cinema is watching this test
Step back for a second and look at the bigger picture. You know how this goes whenever new tech creeps into the arts. First everyone mocks it. Then everyone panics. Then somebody tries to sell it at an international festival.
Overstake is basically a live laboratory test for the entire film business. If Mareev pulls this off and the finished movie looks slick, thrilling, and convincing, other independent producers will run down the exact same road tomorrow morning. Why spend millions on location permits and digital rendering farms when an algorithm can dress your set for a fraction of the cost?
On the flip side, the film world is deeply uneasy. Screenwriters and actors just shut down the entire American entertainment industry for months to protect their jobs from artificial intelligence. Creative guilds across the globe are terrified of algorithms chewing up human work. A movie boasting about using generative systems to rebuild its environments is bound to ruffle feathers among traditional crew members.
If the backgrounds look uncanny, jittery, or cheap, critics will tear it to shreds on arrival. But if it works? Well, that changes the math for every indie producer trying to get a sci-fi script off the ground.
What happens next for the film
The immediate test is happening right now in Busan. Cappu Films has to convince distributors across Asia, Europe, and the Americas to buy the distribution rights. If sales go well at the market, expect Overstake to lock down release windows and start teasing its first official footage.
That first trailer will be the real trial by fire. Movie fans online are notoriously merciless when it comes to visual trickery. The moment Mareev drops a teaser showing actors standing inside computer-generated worlds, viewers will freeze-frame every pixel to see if the experiment holds up.
For now, Overstake has grabbed the spotlight simply by daring to do what everyone else in the business has been whispering about. Stas Mareev made his choice, Cappu Films is selling the tape, and the entire movie market is watching to see if the gamble pays out.
How it unfolded
Filming phase
Director Stas Mareev shoots live-action thriller Overstake with human cast.
Post-production
The creative team uses generative artificial intelligence systems to reconstruct settings.
October 2024
Cappu Films boards global sales and shops Overstake at the Busan film market.
Why this matters
Overstake is a live test case for whether generative AI can cut independent film budgets without ruining visual quality, proving to global buyers whether algorithmic world-building can find a mainstream theatrical audience.
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Your questions answered
- What is the movie Overstake about?
- Overstake is a sci-fi action thriller written and directed by filmmaker Stas Mareev, pairing physical actor performances with environments rebuilt using generative artificial intelligence tools.
- Who is directing Overstake?
- Stas Mareev wrote the script and directed the live-action production of the sci-fi thriller.
- How is AI being used in Overstake?
- The film shot live-action performances on physical sets, and the production team is using generative AI tech to reconstruct and detail the movie's futuristic settings.
- Who is selling the movie Overstake?
- Hong Kong sales company Cappu Films picked up the global sales rights to shop the project to international buyers.
- Where is Overstake being pitched to buyers?
- Cappu Films is presenting Overstake to international film buyers at the Asian Contents and Film Market during the Busan International Film Festival.
- Are there real actors in Overstake?
- Yes. Stas Mareev filmed real actors in physical sets before applying generative tools to rebuild the surrounding world.
- Who first reported the Overstake sales deal?
- Variety exclusively reported that Cappu Films boarded Overstake for worldwide sales ahead of the Busan market.