Mark Harmon, who played the 'NCIS' lead Leroy Jethro Gibbs for 18 years, is returning for an appearance on ‘NCIS: Origins’ ...

Origins, we're gathering everything we know about the series that will give fans a glimpse into how Jethro became the Gibbs we love.

NCIS: Origins explores the backstory of young Leroy Jethro Gibbs, who will be played by Austin Stowell. Will Mark Harmon, who ...

Mark Harmon is finally confirmed to return as Leroy Jethro Gibbs more than three years after his last appearance as the ...

CBS announced in January that a sixth spinoff series of the long-running military-police procedural was on its way, and that ...

According to TVLine and Deadline, NCIS: Origins co-showrunner David J. North revealed during a panel discussion with ...

When CBS's NCIS: Origins premieres on Monday, October 14, viewers are going to have two Leroy Gibbs on their hands. Of course, Austin Stowell is playing the younger version of the popular character ...

Even though Harmon will only serve as his character's narrator, he will actually be making a brief appearance in the two-hour ...

NCIS: Origins viewers will hear and see Mark Harmon when the CBS spinoff premieres. During a panel discussion with reporters ...

Origins cast and character guide lists all the stars joining the new NCIS spinoff series based on a young Agent Gibbs.

Origins' brings back Mark Harmon as the narrator and features another Hollywood star as the young "Leroy Jethro Gibbs". We ...