Cillian Murphy

Summer Activity: Red Eye, Batman Begins

Why He Sizzles: This is the summer Cillian (pronounced Kill-ian) Murphy becomes a star. He's already earned rave reviews as a zombie killer in 28 Days Later..., and the vegetarian played a butcher looking to give Scarlett Johansson a bone in Girl With a Pearl Earring. And that was just the beginning. The blue-eyed Irishman may have lost the titular role in Batman Begins to Christian Bale, but he gets to steal the show as the Caped Crusader's creepy enemy the Scarecrow. Then he'll fly the unfriendly skies in Red Eye, as the worst seatmate Rachel McAdams could ever have. Not only does he threaten to kill her father if she doesn't assist him in a murder plot, he also hogs the armrest. Yo, that's evil.