Andrew Terraciano will not return as Sean Reagan in the spinoff, and Mika Amonsen will now take his place in 'Boston Blue' ...

Sean Reagan will be accompanying his father, Danny, to Boston in "Boston Blue," but the series has recast the "Blue Bloods" ...

CBS’s upcoming “Blue Bloods” spinoff has recast Danny Reagan’s son after the same actor played the recurring role throughout the original 14 seasons.

Sean is set to appear in the first spinoff of the show after it ended last year, but Terraciano is not returning to the role ...

Mika Amonsen has been cast as Sean Reagan on Boston Blue opposite Donnie Wahlberg. On Blue Bloods, Sean was played by Andrew ...

CBS caused a stir earlier this year when it revealed that Boston Blue, a spin-off of Blue Bloods, was in the works.

Mika Amonsen will play Sean Reagan in the 'Blue Bloods' spinoff, 'Boston Blue,' a role previously played by Andrew Terraciano ...

The Reagan family may be returning to screens for Boston Blue, but at least one member will look a little different. Ahead of ...

Boston Blue recasting Sean is a major change that is a good news/bad news situation for fans of the original Blue Bloods ...

Throughout the 14 seasons of 'Blue Bloods,' through the series finale, the character was played by Andrew Terraciano.

The forthcoming CBS procedural Boston Blue may be a spin-off from Blue Bloods, but it's still making a distinct departure ...

Boston Blue made a shocking cast change for the role of Danny Reagan's son, Sean. Mika Amonsen was added to the cast of the ...