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Blue Bloods star Andrew Terraciano is opening up about being recasting in the show's extended universe

Boston Blue — a spinoff of Blue Bloods — premiered in October 2025

Actor Mika Amonsen now plays Sean Reagan, taking on the role of an officer for the Boston Police Department

Andrew Terraciano is sharing his thoughts on being recast in Boston Blue .

The Blue Bloods alum, who appeared as Danny Reagan’s son, Sean, on the CBS series from 2010 until its 2024 finale, wasn't present in Boston Blue when the spinoff starring Donnie Wahlberg premiered on the network back in October. Instead, actor Mika Amonsen took over as the character.

Now, Terraciano, 22, has revealed that somebody called him the "day that I was graduating" to break the news. The actor celebra

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