Snowpiercer is co-written by a New Yorker.
The film is directed by Bong Joon-ho , and written by Bong and Kelly Masterson .	Bong Joon-ho	Bong Joon-ho	Kelly Masterson	Kelly Masterson
Kelly Masterson is an American screenwriter , playwright and writer who lives in New York .	playwright	playwright	writer	writer
