Set on a train trapped in perpetual motion to keep the remaining vestiges of humanity alive after global warming reduces the planet to an uninhabitable icy wasteland, director Bong Joon-ho’s SNOWPIERCER (2013) features an international all-star cast that includes Chris Evans, Song Kang-ho, Tilda Swinton, Jamie Bell, Ko Asung and AFI Trustee Octavia Spencer.  HOW...