Wild Horse Nine is preparing to run free, as the feature is set to open the 49th Mill Valley Film Festival. Writer-director Martin McDonagh‘s film, starring John Malkovich and Sam Rockwell, will screen as the opening night title on Oct. 1, The Hollywood Reporter has learned. McDonagh, Rockwell and co-star Mariana Di Girolamo are expected to attend the screening. Wild Horse Nine premieres in competition at the 83rd Venice International Film Festival next month. Rockwell’s career of acclaimed work will be the focus of a Mill Valley tribute on Oct. 2. The actor’s memorable performances include his Academy Award-winning role in McDonagh’s 2017…
