Mark Harmon is most well-known for "NCIS," but the actor has been on a number of of highly-rated television series throughout his long career.
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NCIS fans, the show just made a major announcement about Mark Harmon
The actor will return to the CBS franchise.
Mark Harmon last appeared as the character in a November 2025 episode of the prequel series ...
Origins for a season-long arc. Harmon, who previously starred as Leroy Jethro Gibbs for 18 seasons on NCIS, will appear in ...
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Mark Harmon
CBS announced today that it has renewed NCIS, the #1 television drama series in the U.S. and worldwide, for two more seasons, ...
Add Yahoo as a preferred source to see more of our stories on Google. Appearing as Gibbs during the opening of Origins episode “Funny How Time Slips Away," Harmon, 74, reflected on three decades in ...
Mark Harmon is heading back to the NCIS universe in a bigger way than ever. CBS has confirmed that Harmon will appear in ...
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