Forget everything you thought you knew about K-pop crossovers. GOT7's BamBam just stepped into the middle of one of the most anticipated horror films to come out of Southeast Asia in years — and he's playing something that could change everything.

Confessions of a Shaman hits Thai theaters on August 12, 2026. And if the buzz out of Cannes is anything to go by, the rest of the world is going to be paying close attention.

From Ghost Radio to the Big Screen

The film's origins are impossible to separate from its power. Confessions of a Shaman is an official adaptation of an episode called "Teacher Tree" from The Ghost Radio — Thailand's most popular supernatural testimony podcast, with 7.7 million YouTube subscribers. The episode in question has racked up over 6.5 million views since it was broadcast in April 2023.

For the uninitiated: The Ghost Radio is where ordinary people call in to share real supernatural experiences. These aren't polished scripts or actors — they're testimonies. And "Teacher Tree," a story of a shaman's dark confession, gripped listeners so hard that word spread the way only the most disturbing true stories do. Slowly, then all at once.

When M Studio — the production house behind Thailand's blockbuster Death Whisperer franchise — announced they were bringing it to the cinema, the fanbase didn't just react. They waited.

The Story: A Curse That Must Be Passed On

At its core, Confessions of a Shaman is about the price of revenge.

A young man named Tor, consumed by grief after his mother's death, seeks out a shaman master to learn the art of black magic so he can punish those responsible. But the supernatural knowledge he inherits carries a catastrophic catch: the curse now lives inside him, and if he can't pass it to an innocent soul, he becomes the next victim.

It's a classic deal-with-the-devil structure — but the Thai supernatural tradition gives it a specific weight. Black magic in this cultural context isn't just cinematic shorthand for evil. It's a real spiritual framework with rules, consequences, and a lineage of belief that audiences in the region carry into the theater with them. That's the kind of horror that gets under your skin even when you don't want it to.

First-time feature director Nattanont Cholumpi — who previously worked as a drama producer at Channel 3, one of Thailand's leading broadcasters — brings a steady hand to material that could easily tip into exploitation. The production is anchored by lead actor Teeradetch Metawarayut (Alek) as Tor, alongside veteran Thai horror staple Shahkrit Yamnam and Denise Jelilcha Kapaun, a familiar face from the Death Whisperer franchise. The Death Whisperer producer Surachedh Assawaruenganun is producing here too — which tells you something about the pedigree and ambition behind this project.

BamBam's Secret

Here's where it gets interesting for horror fans outside Thailand.

GOT7's BamBam — full name Kunpimook Bhuwakul, a Thai-born K-pop superstar with a global fanbase measured in the tens of millions — appears in the film in a special guest cameo. The production team describes his role as "a significant part that will shake the story and become a turning point." Beyond that, nothing has been officially disclosed. It's being held as a deliberate secret, a marketing hook that's working exactly as intended.

He appeared on the red carpet at the Cannes Marché du Film in May 2026, representing both the film and Thai cinema more broadly. His presence pulled the film into international entertainment headlines the moment he stepped out in Louis Vuitton at the Carlton beach. Whatever his role is, it's not decorative.

The smart money is on a reveal that horror audiences will actually appreciate — not a stunt cameo, but something that earns the "turning point" billing.

Thai Horror Is Having a Moment — Again

Confessions of a Shaman arrives at a moment when Thai horror is punching above its weight globally. The Death Whisperer films demonstrated that Thai supernatural horror — rooted in real folk belief rather than generic Western tropes — could generate serious box office numbers and international attention. Confessions is built by the same team, adapted from a source with a proven emotional hook, and opening in IMAX, 4DX, and Dolby ATMOS formats across Major Cineplex locations.

International distribution is in active discussions for North America, Latin America, and Europe, with M Studio handling sales. There's no confirmed US platform yet, but if the Thai theatrical run performs — and the early indicators suggest it will — this one is going to find its way to global audiences.

The Ghost Radio connection matters here too. A film adapted from a viral podcast testimony carries its own built-in authenticity. Audiences already know the source material exists, already know real people claim to have experienced something like this. That's a different kind of dread than a studio-conceived premise.

Worth Watching

Confessions of a Shaman opens in Thailand on August 12, 2026 — one week from now. International audiences will need to watch for distributor announcements, but this is absolutely a title to keep on your radar.

Thai horror has earned its global audience the hard way, by delivering genuine scares rooted in something older and stranger than the Western genre playbook. Confessions of a Shaman looks like the next entry in that tradition.

And whatever BamBam is hiding in that cameo — we'll find out soon enough.

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