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

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

Terraciano, 22, appeared in all but one of the 293 episodes of the primetime network show Blue Bloods. Siblings Sean and Jack ...

Mika Amonsen ( Thanksgiving) has joined the show’s cast as Sean Reagan, the youngest son of series lead Donnie Wahlberg’s ...

CBS’s Boston Blue spinoff makes a bold move by recasting Sean Reagan, as Donnie Wahlberg returns to lead the next chapter of ...

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

Danny Reagan’s youngest son Sean will look a little different when he appears alongside his dad on CBS’ upcoming drama series ...

Mika Amonsen will replace Andrew Terraciano, who played Sean Reagan throughout the 14-season run of "Blue Bloods." ...

Donnie Wahlberg’s character from the crime procedural, Danny Reagan, will be returning along with his son, Sean Reagan.

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 ...

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

According to Deadline, Boston Blue is set to premiere on Friday, October 17, at 10pm PT/ET on CBS. October 17 is set to be a ...