TMDB movie listing
Based on Keigo Higashino’s award-winning novel, THE DEVOTION OF SUSPECT X follows a professor (Wang Kai) assisting in a murder investigation, only to find that a longtime rival and friend (Zhang Luyi) from his early university days may be involved.
TMDB audience score
Based on 20 votes
Saved only on this device unless you sign in.
Availability in the UK
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UK only · Refreshed 11 Oct 2026.
MyCinema quick facts
Worked out from the film's TMDB record and its United Kingdom provider listings. These are facts about the data, not a review.
Standard length · 1h 52m
At 1h 52m it sits between 90 minutes and two hours.
Mystery · Thriller
TMDB files it under mystery and thriller.
1 to rent · 1 to buy
Not listed on a subscription service. Listed to rent from 1 store. Listed to buy from 1 store.
6.2 / 10 on TMDB
TMDB users rate it 6.2 out of 10 across 20 votes, a positive audience score. That is a small sample, so the score can still move a lot.
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