NCIS' Mark Harmon reportedly shares many similarities with his character in the series Leroy Jethro Gibbs, including his biggest hobby.

Chas. Floyd Johnson is the executive producer for the long-running CBS TV series “NCIS” and won an Emmy for his work on “The ...

Sean Harmon, son of Mark Harmon, came up with the concept for NCIS: Origins while playing young Gibbs. Now, the prequel ...

In the first season of NCIS, Leroy Jethro Gibbs, one of the most iconic characters of the series, faced a moment that left an ...