Donnie Wahlberg's 'Boston Blue' Son Recast: What to Know About Mika Amonsen

Blue Bloods spinoff Boston Blue made a decision to recast Donnie Wahlberg‘s onscreen son with Mika Amonsen. The hit series, which premiered in 2010, followed the lives of the Reagan family, many of whom work for the NYPD under the leadership of NYC police commissioner Frank Reagan (Tom Selleck). Frank’s father, Henry Reagan (Len Cariou), was also central to the show, alongside Frank’s children: daughter Erin Reagan (Bridget Moynahan) and sons Danny (Wahlberg) and Jamie Reagan (Will Estes). Danny was previously married to Linda Rose Reagan (Amy Carlson), with whom he shared sons Jack and Sean,