Director Guy Ritchie takes on the dark underbelly of London—again—in his new flick RocknRolla, and brought word to San Diego Comic-Con this week. I caught up with him and superproducer Joel Silver to talk about their star-studded cast—Gerard Butler, Jeremy Piven and Ludacris—Ritchie's jujitsu training and his sneakers. Hit the clip to get the full story.