Fast-paced and funny crime caper… With a giddily entertaining climax. Orson Welles would applaud.
THE HOLLYWOOD REPORTER
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It sent a jolt of energy through the audience, which laughed and twitched throughout this daft genre exercise…precisely the kind of movie that’s guaranteed to play at Toronto
THE NEW YORK TIMES
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The one great trick of the film – using multiple actors to portray different aspects of a single person’s personality when viewed from Bun’s perspective – is not only immensely clever but also immensely effective and the duo of To and Wai pull it off flawlessly…on the portrayal of a man lost in his own mind and taken on those terms Mad Detective is a resounding success.
TWITCH
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Yet the movie feels adventuresome, a new bridge to Asia’s soulful ghost canon. It’s a metaphysical mystery
TIME OUT

On one level this is a psychological suspense thriller, complete with all the action, chase and shootouts you would expect. But it’s also a wild comedy about a crazy cop, and it’s a technical experiment with contrasting point-of-view shots altering our perception of almost every scene…Lau is terrific in the lead role, and while this constitutes a change of pace for Johnny To, it’s more proof of his virtuoso talent for re-jigging genre movies to astonishing effect.
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