Mark Harmon has opened up about casting Austin Stowell as the younger version of Leroy Jethro Gibbs in NCIS: Origins.

Mark Harmon's colourful life and career explored. From his defining role as Leroy Jethro Gibbs in NCIS to his sweet love ...

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Brian Dietzen and Katrina Law are set to return in season 22 of NCIS. Their characters – Jimmy Palmer and Jessica Knight – may be going through a rocky patch, but in real-life the actors love working ...

Mark Harmon was a staple of NCIS for two decades and now Agent Gibbs’ early career is going to be explored in NCIS Origins ...

Rocky Carroll has been on NCIS for so long, one wouldn’t be faulted for forgetting he hasn’t been there since the beginning.

Mark Harmon was at the heart of the NCIS universe and with the drama's return, fans are eager to know more about the veteran actor ...

A few fans felt that Harmon and his character Leroy Gibbs meant too much to the show for him to ever walk away. Including ...

Weatherly felt Harmon cemented himself that day as the leader who truly united the cast. “The glue of the show happened with Mark Harmon from that moment stepping forward and saying his words ...