Mad Detective
“I can see a person's inner personality.”
Bun, a schizophrenic, former police inspector comes out of retirement to help a rookie detective solve a complex murder case involving a missing colleague and a suspected policeman suffering from a multiple personality disorder.
Where to watch Mad Detective in United States
Philo
AMC Plus Apple TV Channel 
AMC+ Amazon Channel
AMC+
YouTube TV
Sundance Now
IFC Films Unlimited Apple TV Channel
Kanopy
Apple TV StoreClick a service to open Mad Detective there. Availability last verified on July 11, 2026.
About Mad Detective
Mad Detective is a 2007 Chinese-language action, crime and thriller film directed by Johnnie To and Wai Ka-Fai. The cast is led by Lau Ching-Wan, Andy On Chi-Kit, Gordon Lam Ka-Tung. It has a runtime of 1h 31m. Viewers rate it 7.1/10 across 200 ratings. In United States, it is currently streaming on Philo, AMC Plus Apple TV Channel , AMC+ Amazon Channel.
Mad Detective was produced by Milkyway Image and made in Hong Kong. It was released on November 29, 2007.
- Director
- Johnnie To, Wai Ka-Fai
- Writers
- Wai Ka-Fai, Au Kin-Yee
- Release date
- November 29, 2007
- Original language
- Chinese
- Status
- Released
- Country
- Hong Kong
- Production
- Milkyway Image
Mad Detective cast & crew
Mad Detective was directed by Johnnie To and Wai Ka-Fai and written by Wai Ka-Fai and Au Kin-Yee.
The cast features Lau Ching-Wan as Inspector Chan Kwai Bun, Andy On Chi-Kit as Inspector Ho Ka-on, Gordon Lam Ka-Tung as Ko Chi Wai, Kelly Lin Hsi-Lei as May Cheung, Karen Lee Choi-Ling as Gigi, and Joseph Lee Kwok-Lun as Wong Kwok Chu.
Behind the camera, the score was composed by Xavier Jamaux, cinematography is by Cheng Siu-Keung, and it was produced by Charles Heung and Johnnie To.
Is Mad Detective worth watching?
Mad Detective holds an audience score of 7.1/10 from 224 ratings, marking it as well-reviewed action films.
At 1h 31m, it's an easy, time-light watch.
If you enjoy action, crime, and thriller, Mad Detective is worth a place on your watchlist.
How and where to watch Mad Detective
In United States, you can stream Mad Detective on Philo, AMC Plus Apple TV Channel , AMC+ Amazon Channel, AMC+, and YouTube TV, or rent and buy it on Apple TV Store. 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 Mad Detective
Lau Ching-Wan
Inspector Chan Kwai Bun
Andy On Chi-Kit
Inspector Ho Ka-on
Gordon Lam Ka-Tung
Ko Chi Wai
Kelly Lin Hsi-Lei
May Cheung
Karen Lee Choi-Ling
Gigi
Joseph Lee Kwok-Lun
Wong Kwok Chu
Eddie Cheung Siu-Fai
Violent Man - Ko's Inner Personality
Lam Suet
Fatso - Ko's Inner Personality
Jay Lau Kam-Ling
Calculating Woman - Ko's Inner Personality
Jeff Cheung Ka-Kit
Ko's Inner Personality
Lu Ching-Ting
Ko's Inner Personality
Chiu Chi-Shing
Ko's Inner Personality
Mad Detective — FAQs
▸Where can I watch Mad Detective in United States?
Mad Detective is streaming on Philo, AMC Plus Apple TV Channel , AMC+ Amazon Channel, AMC+ in United States.
▸Is Mad Detective on Philo?
Yes — Mad Detective is currently available on Philo in United States.
▸What language is Mad Detective in?
Mad Detective is originally in Chinese. Subtitle and dub options vary by streaming service.
▸How long is Mad Detective?
Mad Detective runs 1 hours 31 minutes (91 minutes).
▸What is Mad Detective rated?
It holds a 7.1/10 audience score from 224 ratings.
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