The actor will return to the CBS franchise.

NCIS has been on the air since 2003 — and the fan favorite drama is still going strong. The CBS series follows a group of ...

Mark Harmon as NCIS Special Agent Leroy Jethro Gibbs in NCIS - Cliff Lipson/CBS Harmon’s major NCIS: Origins Season 3 role is ...

Mark Harmon last appeared as the character in a November 2025 episode of the prequel series ...

NCIS has been a huge hit over the years and has introduced many beloved characters – which makes their departure even more difficult for fans of the show to deal with. In the last several years the ...

Gibbs is officially back. After stepping away from NCIS in 2021, Mark Harmon is set to return for every episode of NCIS: ...

Mark Harmon spent years chasing criminals on "NCIS"— but it was an off-screen encounter with a real agent that truly cracked open a turning point in his career. The actor first met retired NCIS ...

NCIS is all set to arrive in the fall of 2026, and while you wait for the next chapters of the acclaimed shows, make sure to ...

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 ...

The long-time franchise lead also narrates the prequel series and is an executive producer.

Origins for a season-long arc. Harmon, who previously starred as Leroy Jethro Gibbs for 18 seasons on NCIS, will appear in ...

Mark Harmon is once again going to play Leroy Jethro Gibbs on the small screen. Variety has learned that Harmon will play the iconic character in a season-long arc of the upcoming third season of ...