Andrew Terraciano portrayed Sean throughout all 14 seasons of Blue Bloods, so viewers were understandably surprised when it was announced that Mika Amonsen would be taking over the role on the new series Boston Blue.
Andrew Terraciano played the character Sean for the entire 14‑season run of Blue Bloods, becoming closely associated with the role. The announcement that Mika Amonsen would step in as Sean for Boston Blue marked a notable shift in the franchise’s casting approach.
The recasting of Sean drew backlash from a segment of long‑time fans who were attached to Terraciano’s portrayal. Some viewers expressed disappointment and concern that changing such a familiar character might affect the tone and continuity of the new show.
The actor now playing Sean publicly addressed the negative reactions, acknowledging fans’ emotional connection to the original version of the character. In his comments, he emphasized respect for Terraciano’s work and stressed that the goal is to honor the character while bringing a fresh interpretation to Boston Blue.
Author’s summary: The text explains that the long‑time Blue Bloods character Sean was recast for Boston Blue, sparking fan backlash that the new actor addresses by honoring his predecessor while offering a new take.