Yvonne Strahovski has been cast in Amazon’s western drama pilot “Edge,” Variety has learned exclusively. She will co-star opposite Max Martini and Ryan Kwanten. Strahovski will play Beth, a mysterious Pinkerton detective who’s a newcomer to the bloody town of Seward, Kansas, where the series is set. The show, based on the books by author George Gilman, follows Josiah Hedges, better known...