Before the movie was released, Ben Affleck praised Jeremy Renner's performance. He jokingly stated that if there was a bad shot or performance from someone else in a scene, editing could easily cut to Renner looking at a napkin to make the scene work. Jeremy Renner would go on to receive an Academy Award nomination for his performance.
Renner surrounded himself with actual convicted bank robbers in Charlestown for research and to help him nail the accent.
The Town (2010).