London is a 2005 independent film centering on a Manhattan party. The movie, produced by Paul Davis-Miller & Bonnie Timmermann, was directed and written by Brian "Hunter" Richards. It stars Jessica Biel, Chris Evans, Jason Statham, Joy Bryant, Dane Cook, Kat Dennings and Louis C.K. Wikipedia
Bateman: You know, they say the greatest conversation you'll ever have is with a stranger? Syd: Who says that? Bateman: Some useless cunt.