Comic-Con so far: Robert Pattinson, Kristen Stewart and Mila Kunis hit San Diego
The stars of 'Twilight,' 'The Expendables 2,' 'Oz' and other films attend
'Oz' actress Michelle Williams waves to the crowd
In the Sam Raimi-directed film, she plays the good witch (naturally) opposite James Franco and Mila Kunis.
Photo Credit: AP Photo/John Shearer