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

Mark Harmon wasn't originally too fond of his acting debut ... football and broadcasting icon Tom Harmon. The NCIS star ...

A fter Mark Harmon left NCIS at the beginning of Season 19, the actor finally returned to the franchise for the prequel ...

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

Except, of course, he did help cast it. Related: Mark Harmon on Why Austin Stowell Is the Perfect Young Leroy Jethro Gibbs ...

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

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

Mark Harmon may have retired from NCIS in 2021, but he thinks he’s still on the job and his meddling behavior is getting on ...

Austin Stowell had big, Mark Harmon sized shoes to fill for his latest role. Over the last few weeks, CBS viewers have been ...

CBS rookie show NCIS: ORIGINS just secured a full-season order. “NCIS: ORIGINS is currently averaging 6.2 million total ...