Xochitl Gomez, the Marvel star and “Dancing with the Stars” winner, is bringing her talent to CBS’s “Boston Blue” as Penny, Sean Reagan’s new girlfriend. The 19-year-old actress joins the “Blue Bloods” spinoff in a recurring role, marking her latest TV venture since her breakout in “Doctor Strange in the Multiverse of Madness.”
Gomez’s character Penny is described as a vibrant, street-smart college student who challenges Sean’s worldview. Her casting follows the surprise recasting of Sean, now played by Mika Amonsen, in this Donnie Wahlberg-led series.
The addition of Gomez adds fresh energy to the show’s dynamic, blending her youthful charm with the Reagan family’s law enforcement legacy.
- Xochitl Gomez joins “Boston Blue” as Penny, Sean Reagan’s new girlfriend, marking her first major TV role after winning “Dancing with the Stars.”
- Her character, Penny, is described as a recurring guest star, adding youthful energy and Marvel-star appeal to the “Blue Bloods” spinoff.
- The casting signals a fresh dynamic for Sean (now played by Mika Amonsen), whose storyline may pivot around this new relationship.
Who Is Xochitl Gomez’s Character Penny in Boston Blue?
Xochitl Gomez joins the Blue Bloods spinoff Boston Blue as Penny, Sean Reagan’s new girlfriend. The Dancing with the Stars winner brings her charm to the CBS drama, playing a sharp-witted college student who catches the eye of Donnie Wahlberg’s Danny Reagan during a case investigation. Penny’s character is described as a tech-savvy activist with ties to Boston’s underground art scene, adding a fresh dynamic to the Reagan family’s police-centric world.
Penny’s introduction sparks tension when her past brushes with the law conflict with Sean’s career aspirations in law enforcement. Her recurring role will explore themes of redemption and generational divide, as the Reagans grapple with her unconventional background.
How Penny’s Backstory Ties into Season 1’s Major Case
Rumors suggest Penny’s knowledge of a local hacker collective becomes pivotal when a cyberattack targets Boston PD. Her dual role as both suspect and ally will force Sean to choose between family loyalty and his growing feelings for her.
Is Xochitl Gomez’s Role Inspired by Her Real-Life Activism?
Like her character, Gomez is known for advocating mental health awareness and LGBTQ+ rights. Observers note parallels between Penny’s activist arcs and Gomez’s off-screen advocacy, particularly in episodes addressing police-community relations.
Why Boston Blue Cast a Dancing Champion as Sean’s Love Interest
Gomez’s Dancing with the Stars victory showcased her discipline and charisma—traits that translate to Penny’s confident demeanor. Showrunners reportedly wanted an actor who could hold their own against Wahlberg’s intensity, and Gomez’s dance-trained physicality aids in action sequences.
| Trait | How It Applies to Penny |
|---|---|
| Stage Presence | Commands attention in group scenes |
| Improvisation Skills | Enhances Penny’s quick-thinking dialogues |
Will Penny and Danny Reagan Become Unlikely Allies?
Leaks hint at a mentor-student dynamic between Danny and Penny, with her tech expertise aiding his old-school detective work. Their friction over Sean’s future could evolve into mutual respect, echoing classic Blue Bloods generational clashes.
How Penny Compares to Other TV Cops’ Girlfriends
Unlike typical love interests, Penny isn’t merely a romantic subplot. Her activism and criminal connections position her as a catalyst for Sean’s moral dilemmas. This departs from shows like Chicago PD, where partners often exist to humanize leads without challenging their worldview.
- Unique Twist: Penny’s arrest record creates tension at family dinners
- Fan Theory: Her art collective may tie to a season-long mystery
Could Penny’s Past Threaten Sean’s Career?
Insiders suggest a future episode where Penny’s juvenile records surface during Sean’s background check for the police academy. This conflict could redefine their relationship and test the Reagans’ famed unity.

Xochitl Gomez joining Boston Blue is a solid move 👏 Her energy could bring some fresh vibes to the Reagan family drama. Though I’ll miss Andrew Terraciano as Sean, Mika Amonsen seems promising too.
Agreed! Xochitl’s charisma in DWTS was infectious. Hope she gets decent screen time and isn’t just ‘the girlfriend.’
Mika’s casting feels off though. Andrew WAS Sean for 14 seasons. Why fix what wasn’t broken?
Another Marvel actor jumping to network TV? Yawn. At least Gomez has range—unlike some nepo babies crowding CBS these days.
Penny better not be another damsel-in-distress cop’s gf trope. Boston Blue’s trailer already looks like Blue Bloods 2.0 with worse lighting.
The dimly-lit precinct ‘aesthetic’ is so overdone. Even Donnie Wahlberg’s charm can’t save bad cinematography.
Dancing skills aside, Gomez’s casting feels like CBS ticking diversity boxes. Prove me wrong, writers!
Sean’s love life getting focus? After 14 seasons of family dinners, this might actually be interesting. Or painfully awkward.
Remember Linda? Danny’s love stories were either tragic or forgettable. Lower your expectations.
At least Penny won’t get killed off in S1… right? Right?!