Mark Harmon played his NCIS character Leory Gibbs in the prequel NCIS: Origins season 1 premiere, and he also narrates the series.

Mark Harmon decided to leave NCIS to keep his acting career "fresh". Gibbs was replaced by FBI agent Alden Parker in NCIS ...

Instead, Austin Stowell, who may look familiar to you from his other projects, is the new young Gibbs. If you're among those curious why Sean didn't return, this is why Mark Harmon's son doesn't ...

NCIS: Origins, which premiered in October, follows a young Gibbs - a role originated by Mark Harmon - years prior to the events of NCIS. The new series picks up less than a year after Gibbs' wife ...

NCISstar Mark Harmon embarked on a feature film career with the 1987 comedy film Summer School, which was a modest box-office ...

As for Mark Harmon himself, his age is pretty close to ... If you're wondering why young Gibbs from "NCIS: Origins" looks so familiar, that's because Austin Stowell has a number of film and ...

The real reason Mark Harmon made the shocking decision to quit ... which stars Austin Stowell as a young Special Agent Gibbs, Kyle Schmid as a young Special Agent Mike Franks and Mariel Molino ...