Context of Snowpiercer, Radius-TWC, the Weinstein Company and CJ Entertainment present ; a Moho Film & Opus Pictures production ; a Bong Joon Ho film ; producers, Tae Sung Jeong, Steven Nam ; produced by Park Chan-Wook, Lee Tae Hun ; screenplay by Bong Joon Ho and Kelly Masterson ; directed by Bong Joon Ho