Plus: Chris Evans, Hugh Jackman, 'Game of Thrones' cast
Peter Jackson and Steven Spielberg
Who: Steven Spielberg and Peter Jackson
Why they were there: These two titans of fantasy films have teamed up for the mo-cap epic "The Adventures of Tintin." It's Spielberg's first time at the Con; Jackson surprised the crowd by appearing onstage at the panel. he later returned to talk up his next film as a director, the two-part "Lord of the Rings" prequel "The Hobbit."