Leroy Jethro Gibbs [4] (born November 21, 1954) [5] is a fictional character and the original protagonist of the CBS TV series NCIS, portrayed by Mark Harmon. [6] He is a former U.S. Marine Corps Scout Sniper turned special agent who commands a team for the Naval Criminal Investigative Service .

Leroy Jethro Gibbs is a former NCIS Supervisory Special Agent (SSA) of the NCIS Major Case Response Team which operates out of the Navy Yard in Washington D.C. Prior to that he was a Gunnery Sergeant/Scout Sniper of the US Marine Corps.

Nov 8, 2024 · NCIS agent Jethro Gibbs (Mark Harmon) left the team in season 19; here's why, and what the actor's future looks like on the hit CBS show.

Dec 23, 2024 · Mark Harmon's Leroy Jethro Gibbs on NCIS is one of the most beloved characters of NCIS. While Harmon exited the show several times, those breaks were brief, and he was always back.

Thomas Mark Harmon (born September 2, 1951) is an American actor, writer, producer, television director and former football player. He is perhaps best known for playing the lead role of Leroy Jethro Gibbs on NCIS.

Oct 21, 2024 · On the TV show NCIS, Jethro Gibbs provides words to live by in the form of Gibbs' Rules. This continues as Gibbs narrates his early days in NIS in the new show NCIS: Origins. There are many different Gibbs' Rules; some are based on being an agent, like rule #9: "Don't go anywhere without a knife."

Aug 12, 2022 · Mark Harmon, who headed up NCIS for 18 years as Special Agent Gibbs, has addressed his exit from the show in October 2021

Feb 21, 2024 · NCIS season 21, episode 2 unexpectedly offers an update on how Leroy Jethro Gibbs is doing. It has been a couple of years since Mark Harmon left the long-running police procedural that he spearheaded for almost two decades.

Harmon — who played Special Agent Leroy Jethro Gibbs since Season 1 of NCIS — left the series in Season 19, Episode 4, “Great Wide Open,” which saw Gibbs travel to Alaska for a case with NCIS...

Dec 8, 2024 · Much to viewers' surprise, Gibbs left NCIS in 2021. Gibbs's presence and influence still cast a shadow over the remaining characters and even the newcomers he didn't meet directly.