Several years before making his debut on Ozzie's Girl, Mark, then barely a high school student, made his commercial debut for a Kellogg's ad, alongside his dad Tom Harmon. Tom, who passed away ...

The character's description reads: "Tasked with showing the newly minted Agent Gibbs the ropes, this father of young twins is thankfully practiced in patience." The series comes from Mark Harmon ...

Both Sean and his dad will serve as executive producers on ... Origins’ Release Dates Revealed By CBS As for Mark Harmon, he’s happy to see another person’s take on the character he played ...

Mark Harmon's son, Sean Harmon ... serving as an executive producer for the series, along with his father, who narrates NCIS: ...

Mark Harmon's son, portrayed a younger version of his father's "NCIS" character seven times in the main series, he did not return to play the character in "NCIS: Origins." However, that doesn't ...

Mark and Sean Harmon are ready to peel back and reveal everything there is to know about Leroy Jethro Gibbs. The father-son ...

the hard-nosed father of one-day NCIS team leader Jethro, who of course was played on the original series by Mark Harmon. (As ...