Sutherland's natural stoicism does make the more risible developments and dialogue a bit easier to stomach (a moment when he goes all Jack Bauer on a nun comes to mind).
The director, Alexandre Aja, knows how to reflect the fear in people's heads, but he gets too ensnared in a backstory that's just gothic business as usual.
Alexandre Aja must have thought that just because he's basing a film around mirrors acting irrationally, he can proceed to remove logic from all aspects of the film.
Georgia Straight
February 15, 2013
Even the most forgiving fans of supernatural horror will balk at Mirrors' cookie-cutter characterizations, predictable shocks, and ridiculous, punishing plot.