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We told you last week that Joseph Gordon-Levitt was a pot head and this week he may have proved it. Okay, we’re kidding but who else really wants to get inside of a giant ball and roll down the street? Someone who loves the cheeba.

Joey, which I’m calling him from now on, was on David Letterman‘s show to talk more about his film Inception. Regarding the weightlessness effects in the film, Gordon-Levitt said, “They didn’t fake it digitally. Christopher Nolan is a big fan of reality.  So they built a big corridor that rotated 360 degrees… the floor becomes the wall, the wall becomes the floor.”

The actor also talked a bit about his earlier years: “I was six when I got my first job. My parents didn’t pressure me in the slightest…my mom drove me to auditions every day and I did maybe one or two a day. It’s been 23 years, and now I’m here,” he said of his “Late Show” appearance.  “It’s crazy.”

“You could do better,” Letterman joked.

“I don’t think so, man.”

I think so, because he got to take to the streets in the Zorb after all! Watch the video after the jump!