While Mark Harmon didn't return, Leroy Gibbs was featured in NCIS season 22, episode 19, "Irreconcilable Differences."Timothy McGee (Sean Murray) is having a rough time staying up late and working ...

Harmon appeared onscreen in the series premiere, with Gibbs seen in Alaska — that’s where we last saw him on NCIS when he exited in Season 19 — and so there’s always the question of if we ...

Harmon played Simon in four episodes of The West Wing season 3, which aired in 2002, and in 2003, he began his successful run on NCIS. The actor stayed on the CBS procedural until he left in NCIS ...

The NCIS: Origins showrunners know what hearing Mark Harmon‘s voice as Gibbs, narrating the prequel, means to fans, and so chances are they’ll continue to hear it through the series’ run ...