Celebrities on Set 2011-06-18 09:30:00

Actors and actresses traveled to the four corners of the world to film new projects this week. Brad Pitt headed to Malta to begin work on the much-anticipated World War Z, while Keira Knightley and Steve Carell knocked out another week on the set of Seeking a Friend For the End of the World in LA. Sacha Baron Cohen caused a stir in NYC shooting chase scenes for The Dictator, not far from where Joshua Jackson and Rebecca Hall focused on Lay the Favorite — click through to see who else was on set!