Joseph Gordon-Levitt suits up in Burberry Prorsum for the August 2010 cover of Details, on sale July 13. Here’s what the 29-year-old actor shared with the mag: On if he was frustrated after 3rd Rock From The Sun: “I would answer that question with a resounding yes. I was scared and depressed for a while. Not that I had any reason to f–king be depressed—I mean, I was going to college and everything. It was not like I was hungry. But absolutely. I was like, ‘S–t, I don’t know if anybody’s gonna let me act. They’ll let me be in another sitcom, but I don’t want to do that. This