House 4
Mastermind
偵戰
2026 · HK IIB · Versions vary by screening
A suspect disappears from a detention cell and is found shot dead inside a locked police archive ten…
Showtimes
Tuesday, November 3, 2026
Active filters
1 showtime · 1 cinema
About the film
A suspect disappears from a detention cell and is found shot dead inside a locked police archive ten kilometres away. A detective and his partner must work out how he moved between the two secured locations. When the fatal bullet is linked to the detective, the investigator becomes a suspect himself, drawing the intelligence service and senior police officers into the case.
Drama · Action · Mystery · Crime
Written and directed by James Hung, Mastermind is a Hong Kong crime mystery built around a double locked-room case. Louis Koo, Ci Sha, Simon Yam and Tse Kwan Ho lead the cast.
- Original year
- 2026
- Listed runtimes
- 88 min · 90 min
- HK classification
- IIB
- Listed audio
- Cantonese
- Subtitles
- Chinese / English · English / Traditional Chinese
- Hong Kong previews
- 2026-10-01
- Hong Kong release
- 2026-10-08
Details vary across cinema listings. Check the language, subtitles, runtime and classification of your selected screening.
The people
Cast & Crew
Directed by
James Hung
Cast
- Louis KooCast
- Ci ShaCast
- Simon YamCast
- Tse Kwan HoCast
See all listed credits
Directors
- James Hung
Cast
- Louis Koo
- Ci Sha
- Simon Yam
- Tse Kwan Ho
Writers
- James Hung
Trailers & videos
Before you go
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