‘Boston Blue’ showrunner explains decision to recast Sean Reagan…
“Blue Bloods” followers are lastly getting solutions about one casting change that got here out of the blue.
The hit CBS present’s spinoff, “Boston Blue,” premiered on Friday, Oct. 17, and viewers had been fast to discover that the authentic actor who performed Sean Reagan, Andrew Terraciano, was changed by Mika Amonsen.
Brandon Margolis, who serves as co-showrunner of the new sequence alongside Brandon Sonnier, opened up about the decision during an interview with Variety revealed alongside the premiere episode of “Boston Blue.”
Brandon Sonnier and Brandon Margolis in Los Angeles, California, on May 4, 2019. Getty Images for Sony Pictures Television
Andrew Terraciano as Sean Reagan in “Blue Bloods.” CBS by way of Getty Images
“We love Andrew and the work he did over the years on ‘Blue Bloods,’” Margolis said of Terraciano, who was replaced by Amonsen back in July. “Really, it came down to we’re telling a new chapter in each of their lives.”
“It’s not just Sean who has joined the family business as it were and is turning over this new leaf,” he continued, “but it’s also now Danny Reagan is the father to a cop, which he’s never been before.”
Margolis additional explained that there are “new storytelling lanes to explore,” which finally supplied him and Sonnier “an organic opportunity to bring in a new performance with a new energy” to “help dramatize that change.”
Terraciano as Sean Reagan in “Blue Bloods.” CBS by way of Getty Images
Mika Amonsen as Sean Reagan in “Boston Blue.” CBS by way of Getty Images
“It’s the same character, it’s the same relationship, but it’s also completely different,” he shared. “We love what Mika has brought to Sean, this vulnerability, yet this desire to prove himself. It’s just been great to watch it come to life.”
During a separate interview with TVLine revealed Friday, Margolis admitted that while he “loved” watching Terraciano “grow up on TV,” it “creatively made sense to find an actor with a different energy.”
“It was a gamble to open the show on a new face – two new faces, actually – but the story required us to love him right away,” the co-showrunner said.
Sonnier and Margolis on the Paramount Studios lot in Hollywood, California, on January 7, 2014. WireImage
Amonsen as Sean Reagan in “Boston Blue.” CBS by way of Getty Images
“Opening with that heroic moment that has a tragic end was the right way to pull Danny Reagan into this world,” Margolis added.
“Blue Bloods” premiered on CBS in 2010 and ran for 14 seasons before coming to an end in December 2024. Terraciano, 22, starred as the son of Donnie Wahlberg’s character, Danny Reagan, in practically every episode of the authentic present.
“Boston Blue,” meanwhile, was announced in Feb. 2025 and follows Wahlberg’s character after he takes a place alongside his son with the Boston Police Department.
Terraciano as Sean Reagan in “Blue Bloods.” CBS by way of Getty Images
Amonsen (heart) as Sean Reagan in “Boston Blue.” CBS by way of Getty Images
Wahlberg, 56, opened up about the new spinoff – and his decision to reprise his function as Danny Reagan – during a particular screening and Q&A for the premiere episode of “Boston Blue” in New York City on Tuesday, Oct. 14.
The “Wahlburgers” actuality TV star explained that the thought for the spinoff first got here together after two different concepts “bumped into” each other: one involving his character shifting to Texas, and the other involving a new regulation enforcement household based in Boston.
“I think they were like, ‘Hey, instead of moving to Texas, why don’t we talk about him joining this thing and moving to Boston?’” Wahlberg shared.
Donnie Wahlberg attends the CBS particular screening of “Boston Blue” in New York City on October 14, 2025. Getty Images for CBS
Wahlberg after leaving the “CBS Mornings” studio in New York City on October 15, 2025. BACKGRID
“But I really didn’t think that would ever happen anytime soon,” he added. “I was just chugging along in ‘Blue Bloods.’”
The “Sixth Sense” star then revealed that he was initially hesitant to return, however he had a change of coronary heart upon studying more about the project.
“Suddenly it was like, ‘Do I really wanna do a spinoff?’ I didn’t know. And this idea was really good. And the script was really good,” he said. “I looked at it and I saw the possibilities of weaving the ‘Blue Bloods’ world into it, and I saw a chance to play Danny in a different way.”
Sonequa Martin-Green, Bridget Moynahan and Wahlberg in a scene from “Boston Blue.” AP
Wahlberg still wasn’t absolutely on board for “Boston Blue” until he realized that his onscreen son would also be a police officer, and that the spinoff’s whole dynamic could be distinct from the authentic.
“That suddenly changed everything,” he explained. “Now there’s a whole new world.”
“It’s not only Danny with a new partner, meeting this new family,” Wahlberg continued. “It’s Danny being a dad and worrying about his son, making sure he gets home safe every day and teaching him the job, the way that his family taught him the job.”
“Boston Blue” airs Fridays at 10 p.m. on CBS.
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