Boreanaz, Fillion, Goldberg, Lloyd Headline Celebrity Guests At Wizard World Philadelphia Comic Con

David Boreanaz (“Bones,” “Angel”), Nathan Fillion (“Castle,” Serenity), Whoopi Goldberg (“The View,” Sister Act), Christopher Lloyd (“Taxi,” Back to the Future), Karen Gillan (“Doctor Who,” Guardians of the Galaxy) and Norman Reedus (“The Walking Dead,” Boondock Saints) are among the