Pierce Brosnan and Susan Sarandon have signed on to star in The Greatest for debut director Shana Feste according to Variety. The film centers a round a young girl who throws into chaos a family that is trying to get over the loss of a teenage son and it will begin shooting this summer. Brosnan will next be seen this summer alongside Meryl Streep in the musical Mamma Mia!, and Sarandon recently wrapped production on Peter Jackson's The Lovely Bones.