Cast Rebecca Hall as Mary, Mark Rylance as BFG, Bill Hader as Bloodbottler, Jemaine Clement as Fleshlumpeater, Ólafur Darri Ólafsson as Ólafur Ólafsson and Penelope Wilton as The Queen. Plot A girl named Sophie encounters the Big Friendly Giant who, despite his intimidating appearance, turns out to be a kindhearted soul who is considered an…