Blue Bloods - Season 13 -

: Features the return of guest star Tom Cavanagh as Mickey Patrick, Danny’s childhood friend.

: Jamie transfers to a new role as a Field Intelligence Sergeant . This position often requires him to keep secrets, even from his wife Eddie and the rest of the family, leading to personal and professional friction. Blue Bloods - Season 13

: The season finale brings back several recurring characters and resolves key tensions from the DA race. Frank Reagan Tom Selleck NYPD Police Commissioner Danny Reagan Donnie Wahlberg NYPD Detective Erin Reagan Bridget Moynahan Assistant District Attorney Jamie Reagan Will Estes Field Intelligence Sergeant Henry Reagan Len Cariou Retired Police Commissioner Eddie Janko-Reagan Vanessa Ray NYPD Officer Maria Baez Marisa Ramirez NYPD Detective 13×13 Past History – Thoughts on Jamko : Features the return of guest star Tom

: Frank's grandson, Joe Hill, appears more frequently this season, often clashing with family protocol while working on joint task forces with the FBI. : The season finale brings back several recurring