08/28/2006 at 01:00 AM EDT
WHERE YOU'VE SEEN HIM LATELY: He's the laid-back Mac in Apple ads, Jennifer Aniston
's quirky coworker in The Break-Up
and a performer on Vince Vaughn's comedy tour.
ON HIS SCHOOL DAYS: "I'd make up names of scientists to impress my chemistry teacher. This beautiful girl would turn around and smile. One day I dropped 'Dr. Emmett Brown' and the teacher goes, 'I've seen Back to the Future
too. I'm on to you.' The girl shook her head, like, 'It's over.' It crushed me. Now she's probably married to, like, some critic who hates my movies."