Longtime NCIS star Mark Harmon's son Sean Harmon is not reprising his role as young Jethro Gibbs in the new prequel, and the ...

NCIS: Originsexecutive producer and narrator Mark Harmon explains why his son, Sean, isnt returning as Young Gibbs for the ...

Mark Harmon tells Variety about his role as narrator and appearing in 'NCIS: Origins' after exiting the franchise.

Despite 'heavy competition' for the role, Harmon knew Stowell was a star when he saw him. NCIS producer and star Mark Harmon ...

Mark Harmon was a staple of NCIS for two decades and now Agent Gibbs’ early career is going to be explored in NCIS Origins ...

Mark Harmon was at the heart of the NCIS universe and with the drama's return, fans are eager to know more about the veteran actor ...

Mark Harmon played Gibbs on NCIS; Austin Stowell now plays the younger Gibbs on NCIS: Origins. Sean Harmon (Mark’s son) used to play Gibbs in NCIS flashbacks, but he now serves as an executive ...

NCIS: ORIGINS premiered this week, and in honor of the show, stars Mark Harmon and Austin Stowell spoke to PEOPLE about their ...

I just think he made a choice and had to make a decision in some ways,” Harmon says of why his son didn’t step back into the role. “He likes executive producing.” As for Mark Harmon, he’s made himself ...