Lorraine Bracco Guest Stars as New York City’s New Mayor, Margaret Dutton
Peter Hermann Returns as Erin’s Ex-husband, Jack Boyle
Season 8, episode 1
“Cutting Losses”
Danny contemplates retiring until Erin enlists him to help her with a case involving her ex-husband, Jack (Peter Hermann). Also, Jamie and Eddie go undercover as a couple, and Frank butts heads with the new mayor of New York City, Margaret Dutton (Lorraine Bracco), on the eighth season premiere of BLUE BLOODS.