Jimmy Dunn is an actor and stand-up comedian from Boston, who co-stars on the CBS hit comedy "The McCarthys" as Sean McCarthy.He got his start in the comedy world telling jokes at a bar in Gloucester, Massachusetts, where he was paid in beer and fried clams.Since then, Jimmy has gone on to perform at some of the comedy industry's most prestigious events, including Denis Leary's Comics Come Home, Montreal's International Just For Laughs Comedy Festival, and the Late Show with David Letterman."The McCarthys" is about a loud, Irish-Catholic, sports-crazed family from Boston. Jimmy plays Sean, a chubby, dim, former star athlete who likes to drink beer and eat fried clams.The McCarthys airs on CBS, Thursday nights at 9:30.