One Season In, and These BOSTON BLUE Stars Already Have a ‘Sibling Dynamic’

Donnie Wahlberg and Sonequa Martin-Green
LOS ANGELES, CALIFORNIA – MAY 07: Donnie Wahlberg and Sonequa Martin-Green arrive at CBS Fest 2025 at Paramount Studios on May 07, 2025 in Los Angeles, California. (Photo by Maya Dehlin Spach/Getty Images)

By Kayla DeKraker

BOSTON BLUE may be a new series, but stars Sonequa Martin-Green and Donnie Wahlberg have already built a sibling bond.

“That’s something that we are really focused on and are really passionate about, building this sibling dynamic,” Martin-Green told Deadline. “I love that you’re picking up on that. It’s also what it means to be a sort of battle buddy, right?”

The real-life police officers who consult for the show helped her better understand what the dynamic is like between partners.

“I’ve learned a lot from the cops that we’ve had the pleasure of working with, talking to,and being consulted by on the show; your partner on the force is very much a battle buddy,” Martin-Green described. “It’s a different relationship. It’s different than a friendship. It’s its own sort of thing, where you’ve got each other’s back, and you’ll die for the other. You look out for each other.”

She added, “You can be honest with each other, but at the same time, there isn’t a romantic element or sexual tension. I love the purity of that. I love that we get to show that kind of dynamic is possible between a man and a woman.”

Related: What Donnie Wahlberg Wants You to Know About BOSTON BLUE

Along with Wahlberg, Martin-Green has found a “family” among her other co-stars.

“That’s what we have all become behind the scenes, and that’s what Lena and Danny have become,” she said. “You know, we were fast friends. Donnie and I, when we first met, it felt like we had known each other our whole lives. They started calling us the Wonder Twins.”

Martin-Green added that they and their spouses — her husband Kenric Green and Wahlberg’s wife Jenny McCarthy — “are building a really strong bond as well.”

“And so even off-screen, there have been some beautiful connections,” she said.

In the Season 1 finale, Martin-Green’s character Lena finally meets her father face-to-face. The actress shared how she thinks this interaction will impact future episodes.

“I think things will change in a way that she’s not expecting. I think you have an idea of how it’ll change you. You have an idea of how you’ve been shaped based on a person’s absence. You have no idea how it’s going to change you,” she said. “And I love that Danny is there the whole way through in the second half of the season, and it goes both ways. We just saw it recently with Danny and his wife, and finally getting at the people who were responsible for her passing. Lena was right there with him.”

Martin-Green took to Instagram to thank Deadline for the conversation.

“Many thanks to @deadline and the lovely @socialrosy for the thoughtful write up. I had such a good time with you my lady! And much, much love to @strategicpublic ♥️” she said.

Part of Movieguide®’s review for episode 13 reads, “Episode 13 of BOSTON BLUE provides plenty of thrills, action, mystery, and drama. Donnie Wahlberg, Sonequa Martin-Green and Ernie Hudson deliver standout performances as Danny, Lena and Edwin.”

Movieguide® adds, “The episode showcases a strong Christian, moral viewpoint. Characters commit to bringing criminals to justice and doing what’s right. Many scenes highlight discussions about faith, prayer and redemption. Episode 13 of BOSTON BLUE has light action violence and some foul language. MOVIEGUIDE® advises caution for older children.”

BOSTON BLUE has already been renewed for a second season.

Read Next: BOSTON BLUE Brings Back This BLUE BLOODS Character Midseason

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