It was in 2003 that Perrette got her big break when she was cast in NCIS as Abby Sciuto, a forensic scientist at the Naval ...

and just before the character of Timothy McGee was introduced to the world in NCIS, actor Sean Murray opted for a more laid-back role. Instead of being stationed in Washington DC’s Navy Yard ...

but failed — but he ended up sacrificing himself to save members of the team when a bomb was delivered to the Navy Yard in the Season 9 finale. Cliff Lipson/CBS “NCIS was great. Mark Harmon ...