First and foremost let me say, I'm not at all implying that Jason Isaacs is an asshole. He merely looks like one—in the best way possible—and seems somewhat predisposed to playing them. I'm sure he's a lovely man. At any rate, I know Isaacs best from the Harry Potter movies, in which he plays Lucius Malfoy. Had I known only that about him, I'd have taken a pass, as it's rare for a blond to turn my head. But I didn't recognize him by name and good thing—his image search was all it took to convert me. Ooh, shiver. His shifty face makes me wish he'd give me a damn good reason to slap him.
Behold! A sampling of Isaacs looking vaguely evil in various capacities: