The finest young stars in the Hollywood firmament, from Michael Cera to Ryan Gosling, Seth Rogen to Zac Efron
BROKE OUT IN... Arrested Development, as doting son George Michael Bluth then his sensitive teen roles in both Superbad and Juno took him wide.
WHY HIM We've only hit the tip of the iceberg when it comes to his wit and canny dryness.
WHAT'S NEXT A music redux (remember his sweet singing/guitar-playing with Ellen Page in Juno) as queercore band member in Nick and Norah's Infinite Playlist.
Image Credit: Emily Shur/Corbis Outline