The popular television series “NCIS,” which first premiered in 2003, has captivated audiences for two decades with its intriguing storylines and memorable characters. As we look ahead to 2025, a retrospective examination of the main cast reveals both their personal and professional journeys over the years.

Sean Murray, who portrayed the character Timothy McGee, was just 25 years old when the show began. Now, at 47, he continues to be a key figure in the series. Mark Harmon, who played the iconic Leroy Jethro Gibbs, was 52 at the outset and is now 73, solidifying his status as a television legend.

David McCallum, who brought Dr. Donald “Ducky” Mallard to life, passed away on September 25, 2023, at the age of 90, leaving a lasting legacy on the show and in the hearts of fans. Other notable cast members include Pauley Perrette, who played Abby Sciuto and is now 56, and Michael Weatherly, known for his role as Anthony DiNozzo, who is now 57.

The series has also welcomed newer talent over the years. For instance, Katrina Law, who joined the cast as Jessica Knight in 2021, is now 40 years old, while Emily Wickersham, who portrayed Eleanor “Ellie” Bishop since 2013, is now 41.

As the show progresses, it continues to adapt and evolve, introducing fresh characters alongside beloved originals. The enduring popularity of “NCIS” is a testament to its compelling storytelling and the talent of its cast. Fans are encouraged to reflect on their favorite moments from the series as it moves into this new chapter. With its rich history and ongoing developments, “NCIS” remains a significant part of the television landscape.