Sean Harmon, son of Mark Harmon, came up with the concept for NCIS: Origins while playing young Gibbs. Now, the prequel series will dive into the early days of the iconic agent in the Naval Criminal ...

Many are unaware that Mark Harmon's love for NCIS rivaled the show's love for him, which they proved by repeatedly paying ...

Mark Harmon has grown to become a TV veteran ... 31 – and Pam isn't the first family member to appear on NCIS! Eldest son Sean has had a recurring role on the show playing a young version ...

NCIS showrunners didn’t hesitate when casting young Gibbs in NCIS. One star instantly embodied the role, making the choice ...

I would say that at this point, this pertains more to Gibbs than to me, that I’ve got some very trusty voices in my head right now — one of them being Mark Harmon, who’s been a sage to me ...