According to Deadline, Ewan McGregor has been cast alongside Meryl Streep and Julia Roberts in August: Osage County, the movie adaptation of Tracy Letts’ Pulitzer- and Tony-winning play that begins production September 24. The Weinstein Company made the announcement today. McGregor will play Bill Fordham, the estranged husband of Barbara (Roberts) and son-in-law of pill-popping matriarch Violet Weston (Streep). A college professor, he left his wife for one of his students but wants to be there for his family. His marriage is disintegrating and his patience is running thin. And according to Variety, Misty Upham has joined the cast as well. Upham will play a college student who comes to work for Streep’s character.