From seasons 1 to 19, the NCIS team has been led by Special Agent Leroy Jethro Gibbs, portrayed by Mark Harmon ... portrayed by late actor Ralph Waite, is the father of Leroy Jethro Gibbs.

NCIS: Origins' has been touted as Gibbs' origin story, but it's also a chance for producers to atone for the unfortunate ...

Except, of course, he did help cast it. Related: Mark Harmon on Why Austin Stowell Is the Perfect Young Leroy Jethro Gibbs ...

In a report from TVLine, Law teases that Robin will be returning in a future NCIS Season 22 episode. She notes that Jessica " ...

Kyle Schmid exclusively opened up to Us about playing Mike Franks on ‘NCIS: Origins,’ which premiered in October ...

Robert Taylor will step into the late, great Ralph Waite's ... nosed father of one-day NCIS team leader Jethro, who of course ...

And as promised, Mark Harmon returned to both narrate and to ... His dad was played by the wonderful Ralph Waite, who passed away during the length of that series. So we have Robert Taylor playing ...

Mark Harmon made the character beloved ... That meant a reunion with his father Jackson (played by Ralph Waite). It's a ...

“There is no such thing as a clean slate,” Mark Harmon‘s older NCIS special ... replacing the late Ralph Waite), and NCIS Special Agent Vera Strickland (Roma Maffia in the original series).

For a leading man in a massive series, Mark Harmon ... established in “NCIS” lore as having happened around 1991. In fact, Gibbs’ father, Jackson Gibbs (a gentle Ralph Waite in the original ...