Pierce Brosnan may be a native Irishman. But for his Paramount+ series “MobLand,” he needed to find a new accent to play gangster patriarch Conrad Harrigan. “I have enormous fun with Conrad,” he said.

Pierce Brosnan may be Irish by blood, but his MobLand accent has been met with a chorus of disapproval following the premiere of the Paramount+ series. The Irish Times pilloried his “mangled” vocal ...