Age: 35
Occupation: Actor
Previous TIME 100 Appearances: 0
He was the stock pretty guy of such unremarkable movies as Failure to Launch and Yes Man, and then he took the leading role of a little R-rated farce called The Hangover, which became the highest-grossing R-rated movie and DVD of all time. Talk about a lucky trip to Vegas. Now Cooper is leading-man material, tapped to star alongside Liam Neeson in this year's A-Team reboot.