Mark Harmon, the celebrated actor best known for his role as Leroy Jethro Gibbs on *NCIS*, has been a staple of the show since its inception in 2003. Over 21 years, fans have watched Harmon evolve both on-screen and off. Now at 72, the once fresh-faced agent has aged gracefully, showcasing a new look that highlights the passage of time and the wisdom that comes with it.

After stepping back from his regular role on *NCIS*, Mark Harmon has embraced a more relaxed lifestyle, which is evident in his recent appearances. His hair is now more silver than ever, and he’s sporting a rugged look that contrasts sharply with the clean-cut image from his early days on the show. While some fans miss seeing him as the head of the *NCIS* team, many appreciate how he has adapted to life beyond the series, reminding viewers that change is a natural part of life and career.