When Ben Affleck needed to add some brawn to his shoot-’em-up flick “The Town,” he hired real-life Townie Dennis McLaughlin. McLaughlin, a 6-foot-2, 300-pound, fourth-generation longshoreman from the square mile, plays Rusty, henchman to actor Pete Postlethwaite’s (“In the Name of the Father”) villain Fergus Colm.



