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

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

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 Harmon is an important part of NCIS: Origins. Pic credit: CBS Mark Harmon remains an important component of the NCIS Universe, even though he is no longer starring on the flagship 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.

Mark Harmon is the son of actress, model and fashion designer Elyse Knox, and American football player, pilot, actor and sports broadcaster Tom Harmon. He is one of three siblings, with his sister ...

Sean Harmon (Mark’s son) used to play Gibbs in NCIS flashbacks, but he now serves as an executive producer of the prequel. It seemed like Mark was done playing the character. Gibbs was retired ...

Mark Harmon‘s Leroy Jethro Gibbs anchored NCIS ... In an interview with Variety, Harmon explained why his son Sean, who serves as an executive producer for NCIS: Origins and who played a young ...

Famous Family Mark Harmon is the son of actress, model and fashion designer Elyse Knox, and American football player, pilot, actor and sports broadcaster Tom Harmon. He has two siblings ...