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

Mark Harmon will return as Leroy Jethro Gibbs, and it's all thanks to his son, Sean. Given the green light on NCIS: Origins – an upcoming prequel following a fledgling Gibbs – it was Sean who ...

A: Sean Harmon, the elder son of Mark Harmon and Pam Dawber, did indeed appear as a younger version of his father’s character ...

I’m just there to support,” Mark noted, showing that he’s trying to help Sean without becoming the focal point. A post shared by Sean Harmon (@seanharmon99) “It has been an absolute honor ...

Mark Harmon narrates the series and is an executive producer, as is his son, Sean Harmon. North says that working on the show is ‘really a full circle moment’ for he and Monreal.

Longtime NCIS star Mark Harmon's son Sean Harmon is not reprising his role as young Jethro Gibbs in the new prequel, and the decision led to “some drama brewing behind-the-scenes” of the show ...

Mark and Sean Harmon are both executive producers on "NCIS: Origins," and Mark spoke about how proud he is to see the work that Sean's been doing.

NCIS: Origins may be a young Gibbs' story, but Mike Franks is the real star of this show. We don't make the rules. But we ...

Mark Harmon holds Jethro Gibbs close to his heart ... Austin Stowell will portray a young Gibbs — a role once played by Harmon’s son, Sean Harmon, on seven episodes of “NCIS.” ...

Origins and Poppa’s House are sticking around, at least for now. Variety reports that the series have received full season ...

Mark Harmon’s son, Sean Harmon, seemed like an obvious choice to play young Leroy Jethro Gibbs in NCIS: Origins, but they decided instead to cast Austin Stowell. Why didn’t Sean Harmon play ...