In a role she co-wrote, Natalie Dormer’s star power brightens crime thriller ‘In Darkness’

Talented British actress Natalie Dormer gets one of her most substantial movie roles in the classy cat-and-mouse thriller “In Darkness.” Co-written by Dormer and director Anthony Byrne with echoes of “Wait Until Dark” and “A History of Violence,” the film is impressive as a star vehicle, if a bit…