

Monstrum
“An ancient man-eating monster awakens.”
Ancient Korea, 1506. The tyrannical King Yeonsan-gun of Joseon is overthrown by his half-brother Jung-jong, whose reign begins with a blood bath. Over the years, traitors plot against him, sinking the kingdom into chaos. In 1528, frightened rumors come to royal palace, regarding a mysterious creature, known as Monstrum by the peasants.
Where to watch Monstrum in United States
Can I watch Monstrum in United States? Yes — you can stream Monstrum in United States on Philo, or rent and buy it on Amazon Video and Apple TV Store.
Click a service to open Monstrum there. Availability last verified on October 20, 2026.
Where is Monstrum streaming around the world?
| Country | Streaming on | Rent / Buy |
|---|---|---|
| United States | Philo | Amazon Video, Apple TV Store, Google Play Movies |
| United Kingdom | — | Apple TV Store, Amazon Video, YouTube |
| Canada | — | Apple TV Store, YouTube |
| Germany | MIDNIGHT FACTORY Amazon Channel, Netzkino | Apple TV Store, Amazon Video, YouTube |
| Spain | Amazon Prime Video, Movistar Plus+, Movistar Plus+ Ficción Total , Amazon Prime Video with Ads | Amazon Video |
| Brazil | — | Claro video |
| Japan | Amazon Prime Video, Amazon Prime Video with Ads | Amazon Video, Apple TV Store, FOD |
| South Korea | wavve, Watcha | wavve |
About Monstrum
Monstrum is a 2018 Korean-language action, horror and drama film directed by Huh Jong-ho. The cast is led by Kim Myung-min, Kim In-kwon, Lee Hye-ri. It has a runtime of 1h 46m. Viewers rate it 6.5/10 across 200 ratings. In United States, it is currently streaming on Philo.
Monstrum was produced by Taewon Entertainment and made in South Korea. It was released on September 12, 2018. At the box office it grossed around $6 million worldwide.
- Director
- Huh Jong-ho
- Writers
- Huh Jong-ho, Heo Dam
- Release date
- September 12, 2018
- Original language
- Korean
- Status
- Released
- Country
- South Korea
- Box office
- $6 million
- Production
- Taewon Entertainment
Monstrum cast & crew
Monstrum was directed by Huh Jong-ho and written by Huh Jong-ho and Heo Dam.
The cast features Kim Myung-min as Yun-gyeom, Kim In-kwon as Seong-han / Mulgoe (voice), Lee Hye-ri as Myeong-i, Choi Woo-shik as Royal Court Officer Heo, Lee Kyung-young as Sim-un, and Park Hee-soon as King Jung-jong.
Behind the camera, the score was composed by Mowg, cinematography is by Kim Dong-young, and it was produced by Chung Tae-won and Yang Chang-hoon.
Is Monstrum worth watching?
Monstrum holds an audience score of 6.5/10 from 209 ratings, a solidly received action films.
At 1h 46m, it's a standard feature-length watch.
If you enjoy action, horror, and drama, Monstrum is worth a place on your watchlist.
How and where to watch Monstrum
In United States, you can stream Monstrum on Philo, or rent and buy it on Amazon Video, Apple TV Store, Google Play Movies, and YouTube. Click any service above to open it directly.
Streaming rights change country by country and month by month, so the options above reflect United States today — switch your country at the top of the where-to-watch section to see availability elsewhere.
Rate & review
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Cast of Monstrum

Kim Myung-min
Yun-gyeom

Kim In-kwon
Seong-han / Mulgoe (voice)

Lee Hye-ri
Myeong-i

Choi Woo-shik
Royal Court Officer Heo

Lee Kyung-young
Sim-un

Park Hee-soon
King Jung-jong

Park Sung-woong
Jin-yong

Lee Do-gyeong
Grandpa Song

Lee Kyu-bok
Mo-gae

Kim Joong-hee
Mak-gae

Kim Kang-il
First Vice-Premier

Cho Won-hee
Second Vice-Premier
Monstrum — FAQs
▸Where can I watch Monstrum in United States?
Monstrum is streaming on Philo in United States.
▸Is Monstrum on Philo?
Yes — Monstrum is currently available on Philo in United States.
▸What language is Monstrum in?
Monstrum is originally in Korean. Subtitle and dub options vary by streaming service.
▸How long is Monstrum?
Monstrum runs 1 hours 46 minutes (106 minutes).
▸What is Monstrum rated?
It holds a 6.5/10 audience score from 209 ratings.











