For years she played popular character Caitlin Todd in NCIS, but after Sasha Alexander quit in 2005 it left fans scratching ...

There's an alternate universe where Jennifer Aniston played one of the most tragic characters on the long-running procedural NCIS.

NCIS fans have learned to accept cast textures over the years, but some do leave a mark. The series has witnessed numerous emotional departures from Agent Caitlin Todd's sudden passing to Agent ...

When Ari returned to use Gerald as a hostage again after killing Caitlin Todd (Sasha Alexander), Jimmy officially became Ducky's permanent assistant. Jimmy started as comedic relief for NCIS ...