The next incorporates spoilers for season 1, episode 1 of Boston Blue.
Boston Blue’s first episode opened with a bang, stunning viewers with a violent incident so shortly. Nonetheless, the son of Danny Reagan (Donnie Wahlberg), Sean Reagan (Mika Amonsen), getting shot and hospitalized after responding to a home violence case, wasn’t the one factor that the viewers was interested in. Avid followers of the brand new sequence’ flagship show, Blue Bloods, additionally observed that Danny’s son has been recast.
Though the cast of Boston Blue was revealed some time in the past, many nonetheless won’t have paid consideration to the announcement and have been unaware. Regardless, really seeing a brand new face for a well-known character onscreen, regardless of realizing about it, can nonetheless be slightly unsettling and possibly even unhappy for some. In TVLine’s latest interview with the police procedural drama’s creators, Brandon Margolis and Brandon Sonnier, the pair clarify why they felt prefer it was needed to make use of a brand new actor within the spinoff.
When requested in regards to the reasoning behind the change, Margolis defined that, because it was a brand new present that they needed individuals to view as one thing that was fully completely different, they wanted to offer it a contemporary begin. Since Sean has apparently modified lots since Blue Bloods, and he is getting into an entire new part in his life, the creators agreed {that a} new face for the character simply made sense.
Whereas he felt like a brand new actor who had completely different qualities was wanted, he made it very clear that it had nothing to do with the unique actor, Andrew Terraciano’s efficiency and that it wasn’t private. He even praised his iteration of the character and the impression he had on Blue Bloods.
To begin with, we love Andrew’s work from the unique sequence and beloved watching him develop up on TV. However as soon as we realized we have been telling a really new chapter on this character’s life, creatively it made sense to search out an actor with a distinct vitality. Mika’s efficiency calls again to Sean’s vulnerabilities, however he brings a youthful vitality that takes the character in a brand new course we beloved.
Margolis additionally admitted that he was utterly conscious of how massive of a threat it might be to interchange the actor of a personality from such a beloved sequence. Loads of viewers who stayed dedicated to the unique present, watched Sean rework all through its iconic run, may really feel slightly betrayed by the change in Boston Blue.
Yeah, it was a raffle to open the present on a brand new face — two new faces, really — however the story required us to like him instantly. Opening with that heroic second that has a tragic finish was the proper solution to pull Danny Reagan into this world.
Boston Blue premiered on October 17, 2025. New episodes will likely be launched on CBS each Friday at 10:00 PM ET and seven:00 PM PT.

- Launch Date
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October 17, 2025
- Administrators
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Anthony Hemingway, Randall Zisk
- Writers
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Brandon Margolis, Brandon Sonnier
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Donnie Wahlberg
Danny Reagan
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Sonequa Martin-Inexperienced
Det. Lena Silver