Why NCIS Fans Think Mark Harmon Could Return as Leroy Jethro Gibbs

A still from the NCIS: Origins teaser (Credit: CBS)
With NCIS: Origins set to make its debut soon, fans have raised the question of whether Mark Harmon will return as the fan favorite character Leroy Jethro Gibbs. Gibbs was a pivotal character in the original series until his departure in NCIS season 19. The fandom is now eager to know whether Harmon’s new prequel series will herald a comeback.Without further adieu, here is all we know about Mark Harmon’s role in NCIS: Orig