Watch Free Online HD Moviesjoy. A new slasher film is brewing - a Casting Director brings two actresses, both notorious for solely playing the 'Final Girl' in for a killer audition with Horror Legend, WILLIAM WHITLOCK. What starts off as a chemistry audition with WHITLOCK becomes an actual life-or-death battle, as the two Final Girls' real-life survival skills are put to the test when the studio doors lock behind them.