New cast members include Nadia Hilker and Bill Skarsgård as well. After the Earth-shattering revelations of Insurgent, Allegiant's Tris (Woodley) must escape with Four (James) beyond the Wall that encircles Chicago to finally discover the shocking truth of what lies behind it. The Divergent series of books have been perennial New York Times best-sellers since 2011. Book sales of the Divergent trilogy have surged to over 34 million copies worldwide, up from 17 million at the time of Divergent 's March 21, 2014 release. "Allegiant" sold 455,000 copies on its first day of release in 2013 to break a company record for Katherine Tegen Books/HarperCollins Publishers. Pre-orders for "Allegiant" exceeded those of any book in the history of HarperCollins. Lionsgate will release Allegiant theatrically in North America through its Summit Entertainment label on Friday, March 18. The battle for humanity begins…