If you’ve been wondering What Is Mark Harmon Doing Now, you’re not alone. The beloved NCIS star who captured our hearts as Agent Gibbs for nearly two decades has been anything but quiet since leaving the show in 2021.
The short answer? Mark Harmon is busier than ever. He’s starring in a major Disney sequel, narrating and producing the NCIS prequel series, wrote a bestselling World War II book, and recently admitted he got “bored real fast” with retirement. At 73, he’s proving that leaving one job doesn’t mean slowing down—it means exploring new horizons.
Let’s dive into everything Mark Harmon has been doing since he hung up his NCIS badge, and what exciting projects fans can look forward to in 2025 and beyond.
Why Mark Harmon Left NCIS (And Why He Says He Didn’t Really Retire)
Before we get into what he’s doing now, it’s worth understanding why Mark Harmon left NCIS in the first place.
After 18 years and 19 seasons playing Supervisory Special Agent Leroy Jethro Gibbs, Harmon made the difficult decision to step away from the show in 2021. His character got a fitting sendoff, retiring to Alaska to find peace after decades of chasing criminals and confronting his traumatic past.
“What has always drawn me here is the character I play and to keep it fresh and to keep it challenging,” Harmon explained in a Season 19 featurette. “Plot-wise, this character has taken the path that it did. I thought it was honest and OK.”
But here’s the important part that many people miss: Mark Harmon insists he didn’t retire from acting.
“I left the show, I didn’t retire,” he told People magazine in November 2023. This distinction matters because it signals that Harmon was simply ready for a change, not ready to stop working altogether.
The grueling schedule of filming a network procedural had taken its toll. “I think for the longest time I was just tired, to be honest,” Harmon admitted. “My workload was heavy every week. I took it seriously, and there were a lot of people there who did the same.”
What he missed most? “I miss the camaraderie, the lunches at the tables and hearing about people’s families and what they’re doing away from the show,” he shared. But he also recognized that “it’s a job” and that stepping away would give him freedom he hadn’t had in years.
That freedom has allowed Mark Harmon to pursue diverse projects that showcase different sides of his talent—from acting to writing to producing.
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Why Mark Harmon’s Story Resonates
There’s something universally relatable about Mark Harmon’s post-NCIS journey, even for people who aren’t actors or celebrities.
The Myth of Retirement
How many people have worked decades at a career, retired, and then realized that endless golf games or home repair projects aren’t actually fulfilling?
Harmon’s admission that he “got bored real fast” reflects what researchers have found: people need purpose, intellectual stimulation, and social connection. Simply stopping work doesn’t guarantee happiness.
Reinvention at Any Age
At 73, Mark Harmon is proving that you’re never too old to:
- Learn new skills (writing)
- Return to old passions (feature films)
- Strengthen family connections (working with his son)
- Try different creative outlets (narration, producing)
His journey offers encouragement to anyone wondering if it’s too late to make a change or pursue something new.
The Value of “Fresh Starts”
The source who revealed Harmon’s boredom with retirement said he views his return to work as “a fresh start.” This framing is important—it’s not a failure to retire or a sign that he can’t let go. It’s a conscious choice to begin a new chapter with new possibilities.
How Mark Harmon Has Avoided Hollywood Pitfalls
One remarkable aspect of Mark Harmon’s career is what he’s avoided:
- No scandals – In an era of constant controversy, Harmon has maintained a clean reputation
- No desperate publicity – He doesn’t chase attention or overshare on social media
- No typecasting trap – Despite 18 years as Gibbs, he’s successfully taken on different roles
- No financial troubles – Unlike some long-running TV stars, he seems financially secure
- No bitter endings – He left NCIS on good terms and remains connected to the franchise
This speaks to his professionalism, his strong support system (his marriage to Pam Dawber), and his careful career management.
What We Can Learn from Mark Harmon’s Career Choices
Whether you’re a fan, an aspiring actor, or simply someone navigating career transitions, Mark Harmon’s path offers valuable lessons:
- Know when to leave – He recognized when NCIS had run its course for him, rather than staying too long
- Don’t burn bridges – His continued involvement with NCIS shows the value of leaving gracefully
- Stay open to surprises – He probably didn’t expect to become an author, but he embraced the opportunity
- Family matters – Working with his son on NCIS: Origins adds meaning beyond just the project
- Rest isn’t the same as purpose – Time off is valuable, but meaningful work provides fulfillment
- Leverage your experience – His NCIS knowledge directly informed his book about the real agency
- Quality over quantity – He’s selective about projects rather than saying yes to everything
The Bottom Line: What Is Mark Harmon Doing Now?
To answer the question simply: Mark Harmon is living his best life on his own terms.
He spent 18 years giving everything to NCIS and Agent Gibbs. Now he’s:
- Choosing projects that excite him (Freakier Friday, NCIS: Origins)
- Exploring new creative outlets (writing, producing)
- Spending time with family (wife Pam Dawber and sons)
- Staying connected to his legacy (NCIS franchise involvement)
- Working at his own pace (select roles, not grueling schedules)
At 73, he’s not slowing down—he’s simply being more intentional about where he directs his energy.
The Mark Harmon of 2025 is different from the Mark Harmon of 2003 who started NCIS, or even the Mark Harmon of 2021 who left the show. He’s someone who tried retirement, realized it wasn’t for him, and had the courage to admit it and make a change.
For fans who loved him as Agent Gibbs, there’s still plenty of Mark Harmon to enjoy—just in new and unexpected ways. And for the man himself, it appears he’s found that elusive balance between rest and purpose, between honoring his past and exploring his future.