In the world of NCIS, Special Agent Leroy Jethro Gibbs, portrayed by Mark Harmon and in his younger version by Austin Stowell ...
Despite leaving the show to tackle a fresh challenge, Mark Harmon is apparently not against the idea of returning to the main ...
Despite the absence of actor Mark Harmon as Leroy Jethro Gibbs since season 19 in 2021, the show's popularity hasn't waned, ...