Have you looked on Craigslist.org?
http://newyork.craigslist.org/cwg/
http://newyork.craigslist.org/search/tlg?query=short+film
Did you post an ad yourself or have you tried contacting some of those listings? What specifically are you looking to do?
Do you have your camera?
Maybe you could film something of yourself in new york and then incorporate that into an international film that you finish back in london
Do you have your camera?
Maybe you could film something of yourself in new york and then incorporate that into an international film that you finish back in london