"And Keanu is just perfect in his role as the Extra-Boring-Terrestrial. He speaks his lines as if he’s unfamiliar with the language, and the way in which he conveys uncertain control of his facial muscles is uncannily alien. I’d go so far as to say Keanu is probably the finest exponent of the recovering-from-a-stroke school of acting currently at work."

http://www.spiked-online.com/index.php?/site/article/6021/