Reviews provided by RottenTomatoes
Tom Keogh, Seattle Times: [The] Stephen King-like angle is the richest material in "That Demon Within," which is otherwise another tale of gangsters turning against one another. Read more
Maggie Lee, Variety: Action auteur Dante Lam delivers his darkest work to date with this ghoulish supernatural thriller. Read more
Ethan Gilsdorf, Boston Globe: There's a half-realized, half-haunting Hitchcockian psychodrama buried somewhere within "That Demon Within." What's on the surface plays more like Wong and Lam simply forgot to take their meds. Read more
Deborah Young, Hollywood Reporter: A cagey mixture of action and horror, with a standout performance from Daniel Wu. Read more
Martin Tsai, Los Angeles Times: This Hong Kong import can't resist the urge to dumb down a fascinating premise for the sake of mass consumption. Read more
Nicolas Rapold, New York Times: Pulp done with passion can be its own reward, as the veteran Hong Kong filmmaker Dante Lam shows with his feverish cop thriller "That Demon Within." Read more
Simon Abrams, Village Voice: That Demon Within often feels like a berserk plot-vending machine. Read more
Mark Jenkins, Washington Post: When "That Demon Within" finally burns down, all that's left is char and ash. Read more