Mike Smith
As of August 15, 2025, The Siege at Thorn High is available to stream on Prime Video in more than 240 countries and territories worldwide.
The Siege at Thorn High (2025) Movie Synopsis
Set in 2027, the film follows Edwin (Morgan Oey), who has spent 18 years haunted by his sister’s assault during a riot. Her dying wish was for Edwin to find and protect the child she gave birth to from the attack.
His search leads him to Thorn High School, a facility for troubled teens. While working undercover as a teacher, Edwin faces violent and rebellious students while trying to find his nephew. Just as he succeeds, another riot traps them inside the school, forcing them to fight for survival.
The Siege at Thorn High OTT Release Date
The Siege at Thorn High premiered globally on Prime Video on August 15, 2025.
- Streaming Premiere: August 15, 2025
- Platform: Prime Video (Worldwide)
Where to Watch The Siege at Thorn High in the US
In the United States, The Siege at Thorn High streams exclusively on Prime Video US in HD, 4K Ultra HD, and HDR formats. Prime members can watch instantly on compatible devices or download the film for offline viewing via the Prime Video app. Subtitles are available in multiple languages, including English, Spanish, and French.
Where to Watch The Siege at Thorn High in Canada
Canadian audiences can watch The Siege at Thorn High on Prime Video Canada with 4K UHD and HDR10 support. The movie includes English and French subtitles, along with several other languages for accessibility. Offline downloads are available for Prime members on mobile devices, tablets, and select smart TVs.
Where to Watch The Siege at Thorn High in the UK
In the United Kingdom, The Siege at Thorn High is available on Prime Video UK in up to 4K Ultra HD quality. The film features multiple subtitle options and Indonesian audio with English dubbing in select regions. Subscribers can also download it for offline viewing without extra cost.
Where to Watch The Siege at Thorn High in India
In India, The Siege at Thorn High is streaming on Prime Video India with Indonesian audio and subtitles in Hindi, English, and other regional languages. The film is available in HD and 4K UHD with HDR on supported devices. Prime members can download it through the Prime Video app for offline viewing anytime.
The Siege at Thorn High Cast
- Morgan Oey as Edwin
- Hana Pitrashata Malasan as Valdiana Rahardjo
- Omara Esteghlal as Jefri Hariman
- Endy Arfian as Khristo Ramli
- Fatih Unru as Rangga Kurnia
- Dewa Dayana as Gerry Rahadi
- Satine Zaneta as Dorothy Susatyo
- Faris Fadjar Munggaran as Reihan Wahyudi
- Florian Rutters as Simala Arka / Sim
- Plus supporting roles from Farandika, Sandy Pradana, Kiki Narendra, Landung Simatupang, Sheila Kusandi, Theo Camillo Taslim, and more.
Director: Joko Anwar
Producer: Tia Hasibuan
Production: Come and See Pictures / Amazon MGM Studios
Can You Watch The Siege at Thorn High Online for Free?
Yes — eligible new Prime Video users can watch for free using a 30-day Amazon Prime trial. This includes full access to Prime Video’s library.
Is The Siege at Thorn High Suitable for All Ages?
No — the film is rated 17+ for strong violence, sexual content, foul language, smoking, and alcohol use.
Where Can I Download The Siege at Thorn High?
You can download the full movie for offline viewing on the Prime Video app for mobile devices, tablets, and supported smart TVs.
FAQs
1. Is The Siege at Thorn High on Netflix?
No — it is exclusive to Prime Video and not available on Netflix.
2. What is the runtime of the movie?
The film runs for 1 hour and 58 minutes.
3. What audio and subtitle options are available?
Audio: Indonesian
Subtitles: English, Bahasa Melayu, Hindi, Arabic, Thai, Simplified Chinese, Traditional Chinese, Japanese, Korean.
4. Was it a box office success?
Yes — it became the highest-grossing Indonesian action-thriller of 2025, attracting over 1.8 million cinema viewers.
5. Can I watch it in 4K?
Yes — Prime Video offers 4K Ultra HD with HDR10.
The Siege at Thorn High Trailer
Here’s the trailer:
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