Alpha Parent Guide Baby, it's cold outside... Release date March 2, 2018 20,000 years ago the Earth descended into a an Ice Age. This is a story of those who tried to survive this dramatic climate change. Why is Alpha rated Not Rated? The MPAA rated Alpha Not Rated News About "Alpha" This movie was formerly call" The Solutrean". Cast and Crew Alpha is directed by Albert Hughes and stars Kodi Smit-McPhee, Leonor Varela, Natassia Malthe.