Finding an actor to play the younger version of Leroy JethroGibbs was the supreme "NCIS: Origins" challenge. Mark Harmon embodied the character for 19 seasons of the original "NCIS," ...
It’s 1991 Camp Pendleton, Calif. and Leroy JethroGibbs (Austin Stowell) has left the Marines to join the fledgling NIS in the series prequel NCIS: Origins. Off camera, so it’s not clear who ...