Because of inclement weather the other night, few celebs showed up for the Gotham magazine screening of Zodiac in New York, so nice-guy costar Mark Ruffalo invited reporters and paparazzi into the theater to see the movie and gave them all gift bags. Said a witness, “When one photographer was late and missed the arrivals, Mark came back out so he could get his shot. Then, after the movie, he extended an invite for them to join him at the after-party. He was by far one of the nicest guys.” (Source)