There are an infinite number of ways for an actor to be cast in a movie, but Nicole Kidman sexting a director wouldn’t be one of the first that comes to mind, which didn’t stop her from doing it. Before anybody’s mind wanders into the gutter, it wasn’t like she was taking saucy snaps of herself to convince a filmmaker to hire her. If anything, it was the opposite, with Kidman proving that she could not only get herself into character, but do it …