Actor David McCallum played the fan-favorite character for two decades on the original series.
Over the years, "NCIS" viewers have learned about dozens of the rules that Leroy Jethro Gibbs lives by. Here's a rundown of ...
NCIS has always focused on the Major Case Response Team in Washington, D.C. Over more than 20 seasons, the series has gone ...
The NCIS Season 11 Episode 17 cast is an impressive blend of the series' main and supporting characters, who made the ...
“NCIS” legend Mark Harmon is bringing his OG Leroy Jethro Gibbs character to the prequel series “NCIS: Origins,” and he’s not coming alone. Harmon, 74, will make a rare guest appearance on “Origins” ...
The original Gibbs actor didn't hold back.
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