App the Horror
App the Horror2026
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App the Horror
1h 28m·Horror, Thriller
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5.0/10 avgAverage user ratingWhen the app is launched, a ghost appears. Developed by four young adults, the app becomes the centerpiece of a livestream where they venture into a supposedly haunted mountain to prove its authenticity—only to meet a grim fate.
DirectorHyung Seul-wooDirectorLee Sang-minDirectorSun Jong-hoonCinematographyChoi Jong-manStudioHeartpeople
| Actor | Role |
|---|---|
 Kim Young-jaeDong-ju | Dong-ju |
 Kim Ju-aHan-byeol | Han-byeol |
 Yang Jo-aSun-young | Sun-young |
 Kim Hee-jungNa-yeon | Na-yeon |
| PPark Seo-jiJin-seo | Jin-seo |
 Kim Young-sunSun-young | Sun-young |
 Anupam TripathiSuneta | Suneta |
 Limm Yea-eunCollector | Collector |
| SSon Min-zunMin-zun | Min-zun |
 Lee Seung-yeonEun-ah | Eun-ah |
 Kim Gyu-namHa-rin | Ha-rin |
| KKim A-cheonGrandfather | Grandfather |