Mark Harmon opens up about the first few seasons of NCIS when he had no script and very little information to go on during ...

NCIS is one of the most popular procedural crime shows of all time, but Mark Harmon revealed that the show was supposed to ...

Mark Harmon, who played Leroy Jethro Gibbs on NCIS, talked about the early premise for NCIS, which was real cases.

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

The failure of the 1989 romantic comedy 'Worth Winning' forced 'NCIS' star Mark Harmon to return to television for good.

Fans want Mark Harmon to reprise his role as Gibbs on NCIS, exploring potential plotlines and ways he could return. Harmon ...

Find out whether Michael Weatherly and Cote de Pablo ever dated. Before Mark Harmon starred in 'NCIS,' he guest-starred in 'The West Wing.' Here's who told him his character in 'The West Wing ...