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 post shared by Sean Harmon (@seanharmon99) “It has been an absolute honor to essentially to play a character my dad created over so many years, and it will always be something I hold close to ...

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.

Mark and Sean Harmon are ready to peel back and reveal everything there is to know about Leroy Jethro Gibbs. The father-son duo are serving as executive producers of NCIS: Origins, the prequel to ...

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 ...

Austin Stowell will portray a young Gibbs — a role once played by Harmon’s son, Sean Harmon, on seven episodes of “NCIS.” For the prequel, Sean serves as an executive producer.

The new show from the NCIS Universe is based in 1991, years before Mark Harmon began playing Gibbs on NCIS. Sean Harmon’s idea was to do a prequel show, and he serves as an Executive Producer while ...

The entire scope of Mark Harmon’s role in NCIS: Origins is still under mystery. Besides his role as a narrator who gives the ...