“Game of Thrones” Star Natalie Dormer Bound to ‘The Forest’

British actress Natalie Dormer has parlayed her huge popularity for playing the devious seductress, Margaery Tyrell, on HBO’s “Game of Thrones” into a blossoming career in the big screen. Following her stint in “The Hunger Games” franchise, she now takes the lead in Columbia Pictures’ new terrifying horror-thriller, “The Forest.” Watch The Cave clip from …