From original characters to later additions, these are the NCIS cast members who know what it means to go the distance.

Mark Harmon, Pauley Perrette and Michael Weatherly are part of 'NCIS' history Catherine Santino is a Style Writer-Reporter at PEOPLE. She began contributing to PEOPLE in 2022 and joined the staff full ...

Zoe McLellan was one of the original cast members of NCIS: New Orleans, but the actress, who played Meredith Brody, ...

Season 23 of NCIS came to a dramatic and haunting conclusion earlier this year. The series ended on a cliffhanger for Wilmer Valderrama‘s character, Torres, and Patrick Keleher‘s Mateo as gunshots ...

For 18 seasons (and four season 19 episodes), Mark Harmon starred as former U.S. Marine Corps scout sniper–turned–special agent Leroy Jethro Gibbs. "What has always drawn me here is the character I ...

Many faces have come and gone throughout the 23 years NCIShas been on the air, but one that has stuck since the very first season is fan-favorite Timothy McGee (Sean Murray). We've watched him evolve ...

NCIS: New York, scheduled to premiere on October 6, is bringing a new team of agents to The Big Apple. Created by the ...

New York spinoff — but who makes up the cast? Legal drama JAG aired on NBC from 1995 to 1996 before making the move to CBS and remaining on the network until 2005. From there, the TV franchise ...

See major movie news and releases first. Achievements Unlock badges as you read and explore. Join the Conversation Discuss movies and shows with other fans.

Original NCIS cast member Michael Weatherly returns to NCIS this fall to reprise his role as fast-talking, film-obsessed very Special Agent Anthony "Tony" DiNozzo for the 2026-2027 season. And it ...

NCIS star Sasha Alexander was part of the show's original cast until she decided to leave the procedural drama in season two.

Even the most stalwart fans of the hit show may not know that "NCIS" wasn't an entirely original concept, as it started out ...