

That Demon Within
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.
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- Status
- Released
- Budget
- —
- Box office
- —
- Language
- Cantonese
Top billed cast

















Behind the camera
Director
Music
Produced in
Hong Kong, China
Where to watch
Availability for United States. Provided by JustWatch through the TMDB API.
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Release dates
United StatesUS
- Theatrical17 Apr 2014
AustraliaAU
- TheatricalMA15+18 Apr 2014
CanadaCA
- Theatrical17 Apr 2014
ChinaCN
- Theatrical17 Apr 2014
GermanyDE
- PremiereBerlin International Film Festival8 Feb 2014
Hong KongHK
- Theatrical18 Apr 2014
JapanJP
- Digital / OTTR15+14 Feb 2015
SingaporeSG
- Theatrical17 Apr 2014
South KoreaKR
- Theatrical1929 Jan 2015
SwitzerlandCH
- Digital / OTT166 Jul 2014
TaiwanTW
- PremiereTaipei Golden Horse Fantastic Film Festival16 Apr 2014
- Theatrical9 May 2014
Frequently asked questions
That Demon Within was released on 17 April 2014.
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