Hello Monster
Created by Kwon Ki-young
A top detective is reunited with a childhood friend who has since become a leading criminal profiler. Can they join forces to stop a serial killer?
Watch trailerWhere to watch in 🇺🇸 United States
Free with ads
Top cast
Seo In-guk
Lee Hyun
Jang Na-ra
Cha Ji-an
Park Bo-gum
Jung Sun-ho/Lee Min
Lee Chun-hee
Kang Eun-hyuk
Choi Won-young
Lee Joon-ho/Lee Joon-yeong
Im Ji-eun
Hyun Ji-soo
Min Sung-wook
Son Myung-woo
Kim Jae-young
Min Seung-Joo
Jun Kwang-ryul
Lee Joong-Min
Son Seung-won
Choi Eun-Bok
Frequently asked questions
Where can I watch Hello Monster online?
As of October 16, 2026, Hello Monster is available to stream on Rakuten Viki in United States. Use the country selector above to check availability in other regions — streaming rights are licensed per country, so catalogues differ.
Is Hello Monster on Netflix?
No — Hello Monster is not currently on Netflix in any of the countries we track. In United States it streams on Rakuten Viki instead.
Can I rent or buy Hello Monster online?
Our sources do not list a digital rental or purchase option for Hello Monster in United States right now.
In which countries can I stream Hello Monster?
As of October 16, 2026, Hello Monster is included with a streaming subscription (or free with ads) in Canada, Germany, Russia, and United States, among the countries we track.
Streaming availability last checked on October 16, 2026. Catalogues change frequently — data from TMDB and JustWatch.
