Edwin promised to his sister on her death bed to find her son she gave up long time ago. Edwin's quest brought him to become a substitute teacher in Duri High School, Jakarta, a school for juvenile delinquents. There he must face the most violent students to find his nephew. When he eventually finds the boy, a city-wide riot erupts and Edwin is trapped im the school with the cruel kids out for his blood.
Unfortunately the movie The Siege at Thorn High is not yet available on HBO Max.
| Production | Joko Anwar | Producer |
| Writing | Joko Anwar | Writer |
| Camera | Ical Tanjung | Director of Photography |
| Production | Tia Hasibuan | Producer |
| Directing | Joko Anwar | Director |
| Production | Dennis Sutanto | Production Designer |
| Directing | Rieviena Yulietta | First Assistant Director |
| Editing | Joko Anwar | Editor |
| Sound | Aghi Narottama | Original Music Composer |
| Costume & Make-Up | Monika Paska | Costume Designer |
| Costume & Make-Up | Novie Ariyanti | Makeup Artist |
| Sound | Hiroyuki Ishizaka | Sound Designer |
| Production | Juandini Liesmita | Casting |
| Production | Sandy Sofyan | Line Producer |
| Production | Netta Anggraini | Post Producer |
| Production | Tina Arwin | Executive Producer |
| Production | Raphael Phang | Executive Producer |
| Editing | Teguh Raharjo | Editor |
| Sound | M. Anhar Moha | Sound Mixer |
| Editing | Erwin Prasetya Kurniawan | Editor |
| Crew | Novie Ariyanti | Makeup Effects |
| Visual Effects | Abby Eldipie | Visual Effects Supervisor |
| Visual Effects | Kalvin Irawan | Visual Effects Supervisor |
