NCIS showrunner Don Bellisario was initially hesitant to cast Mark Harmon as Leroy Jethro Gibbs, but was eventually convinced ...

Austin Stowell plays Leroy Jethro Gibbs on the NCIS: Origins cast. Pic credit: Evan Mulling/CBS The NCIS: Origins hiatus has begun, with the final new episode of 2024 airing on December 16.

NCIS: Origins has introduced younger versions ... “It’s a daunting task to recreate Gibbs and to go back and try to tell this story while being respectful to the fans and to the story line ...