That Demon Within (2014): cast, story & where to watch

Released in 2014, That Demon Within is a thriller and crime film directed by Dante Lam, running about 112 minutes.

What it’s about. By a strange twist of fate, dutiful Hong Kong policeman Dan saves the life of the leader of a violent gang of armed robbers. When they commit another crime, Dan is determined to put an end to their activities. He works with the leader, whom the gang had betrayed, to engineer a plan to wreak havoc within the gang and let the gangsters kill one another. But it becomes increasingly obvious to Dan and to his colleagues that Dan is suffering from a severe mental disorder, and Dan finds that instead of upholding the law as a righteous police officer, he has now become a fugitive wanted for murder.

Who’s in it. That Demon Within stars Nick Cheung as Hon Kong, Daniel Wu as Dave Wong, Andy On as Ben Chan and Dominic Lam Ka-Wah as Inspector Mok, among others.

How it landed. With an audience score of 5.6/10, That Demon Within has drawn a solid, mixed-to-positive response.

Where to watch. In US you can rent or buy it from Apple TV Store and Fandango At Home. See the full, country-by-country breakdown on our where to watch That Demon Within page.

If you liked it. Fans of That Demon Within tend to enjoy The Dark Knight, Pulp Fiction, Parasite and Fight Club.