The improvised indie drama Your Sister’s Sister, from filmmaker Lynn Shelton, is a human story of grief and romance, and finding humor in unlikely places. Jack (Mark Duplass) is an emotionally unstable slacker, still reeling from the death of his brother Tom, a year later. When Tom’s ex-girlfriend Iris (Emily Blunt) offers up her family cabin on an island in the Pacific Northwest, Jack runs into Iris’ sister Hannah (Rosemarie DeWitt), who herself is reeling from the abrupt end of a long-term relationship and looking for solace.
At the film’s press day, actor Mark Duplass spoke to Collider for this exclusive interview about how he came up with the idea for the film which he brought to Lynn Shelton, what he was looking to do with this character, improvising with Emily Blunt and Rosemarie DeWitt, the easiest and hardest scenes to improvise, and what he likes about collaborating with Shelton, as a filmmaker. He also talked about working with Kathryn Bigelow on her Osama Bin Laden film (tentatively titled Zero Dark Thirty), what he looks for in acting roles, what he enjoys about doing the FX series The League, and what he’s looking to do next. Check out what he had to say after the jump: