While Mark Harmon re-immersed himself in the NCIS world recently, his departure from the original series almost tanked the show. Mark, who played Leroy Jethro Gibbs, decided to step down from the show ...

Donald Bellisario and Mark Harmon allegedly butted heads because the leading actor had become upset over the series creator’s ...

Despite leaving the show to tackle a fresh challenge, Mark Harmon is apparently not against the idea of returning to the main ...

Donald Bellisario's alleged feud with Mark Harmon reportedly contributed to his exit from NCIS after four seasons.

Pic credit: CBS Mark Harmon remains an important component of the NCIS Universe, even though he is no longer starring on the flagship show. NCIS fans already knew Mark was part of the new prequel ...

NCIS is currently in its 22nd season on CBS and the long-running crime drama has been saying goodbye to the final remaining ...

Related: Mark Harmon ... of the show and how many changes there were in those first four years. There were huge changes, and ...

The entire scope of Mark Harmon’s role in NCIS: Origins is still under mystery. Besides his role as a narrator who gives the ...

Mark Harmon may not have much of an acting role in NCIS: ORIGINS, but he is still very much involved. He reflected on his ...

Kyle Schmid exclusively opened up to Us about playing Mike Franks on ‘NCIS: Origins,’ which premiered in October ...

NCIS fans know the duo well from the parent show, where their older version solved many cases. Mark Harmon played Gibbs on NCIS; Austin Stowell now plays the younger Gibbs on NCIS: Origins.