Actor Bruce Dern has a possible fractured hip suffered while hiking in Los Angeles. The 82-year-old collapsed at Runyon Canyon, a popular but rugged trail in the Hollywood Hills. Dern just completed filming Quentin Tarantino’s Once Upon A Time In Hollywood, a role he took over from the late Burt Reynolds. Dern plays rancher George Spahn in the film, a Pulp Fiction-esque tapestry of stories in and around Los Angeles in the summer of 1969, when Charles Manson and his…