How this British star made her mark on American television — including a notable stint on NCIS: Los Angeles
💥 From UK Roots to U.S. Screens
Marsha Thomason might have been born across the pond, but she’s no stranger to commanding attention on American television. Born January 19, 1976, in Manchester, England, Thomason is best known to audiences for her confident charm and commanding screen presence.
With a résumé that stretches from classic supernatural drama (Lost) to slick FBI ops (White Collar), Thomason’s versatility has made her a go-to actress for smart, capable, no-nonsense characters.
🔍 The NCIS: Los Angeles Chapter
Thomason appeared in Season 4, Episode 1 of NCIS: Los Angeles, titled “Endgame” (2012), playing Special Agent Nicole Dechamps.
In the high-stakes episode, her character worked alongside the OSP (Office of Special Projects) team, showcasing the same steady professionalism that fans loved in her other law-enforcement roles. Though her appearance was brief, it was memorable — helping anchor the show’s signature blend of action, intelligence, and interpersonal tension.
🎤 “She brought poise, sharp instincts, and instant credibility to the role,” one fan noted on social media, praising Thomason’s appearance.
Though she wasn’t a long-term cast member, the episode left fans curious about Agent Dechamps — and wanting more.
🌟 Where You’ve Seen Her Before
While NCIS: LA was a quick guest role, Thomason has built a rich television career:
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“Lost” (2007–2008) – As Naomi Dorrit, she was the tough-as-nails freighter agent who crashed into the show’s mystery-laden jungle.
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“White Collar” (2009–2014) – As FBI agent Diana Berrigan, she was a scene-stealer and fan favorite across multiple seasons.
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“Las Vegas” (2003–2005) – Played Nessa Holt, also known as “The Ice Queen,” a tough but elegant casino pit boss.
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“The Haunted Mansion” (2003) – Starred opposite Eddie Murphy as Sara Evers in this family-friendly Disney adventure.
With her commanding presence and smooth transatlantic style, she easily moves between drama, crime procedurals, and supernatural thrillers.
🎭 Beyond the Badge
Marsha Thomason isn’t just about action and procedure. In interviews, she’s spoken openly about the challenges of navigating Hollywood as a Black British actress, the importance of staying true to her roots, and the joy of playing complex, empowered women.
She’s also known for her work as a voice actress and her ongoing support of UK-based arts programs and acting mentorship for underrepresented voices.
💬 Still a Fan Favorite
While her time on NCIS: LA was brief, fans still name her as one of the most underused but intriguing guest agents in the series’ run. Given the sprawling universe of NCIS, viewers still hope for a return of Agent Nicole Dechamps — whether in a future cameo or a full-on spin-off.
✨ “I always aim to play women with agency — women who are smart, strong, and not waiting for someone else to save the day.”
— Marsha Thomason
