ABC's Good Morning America debuted the first trailer for August: Osage County earlier today, director John Wells' adaptation of the Pulitzer Prize-winning play by Tracy Letts. Julia Roberts and Meryl Streep star as Barbara and Violet Weston, who return to their hometown when their alcoholic father goes missing. In addition, we also have the first poster from this upcoming drama, co-starring Chris Cooper, Margo Martindale, Abigail Breslin, Dermot Mulroney, Juliette Lewis, and Benedict Cumberbatch.