Mark Harmon has become synonymous with Leroy Jethro Gibbs after playing him on NCIS for 19 seasons, so it's hard to imagine ...

A heartfelt tribute to David McCallum, a surprise return from Michael Weatherly, and why Mark Harmon was missing from NCIS.

Origins was first announced, it was billed as a Jethro Gibbs prequel. With that, it would take fans on a journey to the ‘90s, ...

According to Pam, the pair prefer to keep things low-key. During an interview on Craig Ferguson's show, the mom-of-two ...

Mark Harmon expected NCIS to be dark and gritty — then it became a quippy crime procedural. Not what he signed up for, but it worked.

Mark Harmon has grown to become a TV veteran thanks to his role on NCIS as agent Leroy Jethro Gibbs, a character he portrayed for almost 20 years before his untimely departure in 2021. The actor ...

Narrated by “NCIS” star Mark Harmon, “NCIS: Origins” takes fans back to Camp Pendleton 1991, where a young Leroy Jethro Gibbs is building his special agent career under the well ...