From the hollywood reporter:
Cannes First Look: Michelle Williams, Casey Affleck, Kyle Chandler in 'Manchester-by-the Sea' (Exclusive)
Among the Cannes market titles this year is Manchester-by-the-Sea, directed by Kenneth Lonergan.
In the drama, Casey Affleck stars as a man who returns to his Boston suburb hometown to deal with both his estranged wife (Michelle Williams) and the fallout from a family death. Kyle Chandler also stars.
Chandler plays the protagonist's brother in the film, which began shooting in Massachusetts in March and is being introduced to buyers at the Cannes film market by Sierra/Affinity and WME.
Matt Damon, Kimberly Steward, Lauren Beck, Kevin Walsh and Chris Moore are producing.
Two more photos at the source.