By Tyler Baum “What are you filming?” an excited passerby asks me. “Game of Thrones,” I reply, standing in front of the SDNY courthouse, four years after Game of Thrones went off the air. “Can I be in it?!” they reply, apparently oblivious to Law and Order: SVU star Mariska Hargitay, who’s reciting lines with Peter Scanavino 20 feet behind me. Out on the corners of any film set, this type of interaction with New Yorkers is common. A film crew’s footprint stretches across city blocks, with big rig trucks full of production equipment lining sidewalks that have been reserved by the locations depa…