If you're among those curious why Sean didn't return, this is why Mark Harmon's son doesn't play young Gibbs on "NCIS: Origins." Read more: Messed Up Ways Main Characters Were Killed Off While ...

Mark Harmon's son, Sean Harmon, seemed like an obvious choice to play young Leroy Jethro Gibbs in NCIS: Origins, but they ...

When NCIS needed someone to portray a young Leroy Jethro Gibbs, the show’s team didn’t need to look far to find the right person. Sean Harmon – the son of Gibbs actor Mark Harmon – stepped ...

Mark Harmon and Pam Dawber have been married since ... I'm not a Twitter guy or a Facebook guy. Our sons aren't into that either. Pam and I have both made a living in this business, and still ...

Mark Harmon captained the flagship NCIS for 18 years ... Given that Mark and Pam's sons – Sean, 36, and Ty, 31 – have left ...

Mark Harmon and his wife Pam Dawber have been enjoying ... including Pam and their sons, Sean and Ty. The star has managed to maintain a healthy balance between being a well-known actor and ...

Despite a potentially lucrative offer in hand, Mark Harmon opted to pen what he wanted with his writing debut.

Mark and Sean Harmon are ready to peel back and reveal everything there is to know about Leroy Jethro Gibbs. The father-son ...