'NCIS' Longest-Serving Cast Member With 400+ Episodes Was Never Supposed To Be a Main Character

Sean Murray's Agent McGee was only supposed to be in one episode of NCIS, but a last-minute invite back changed everything.

After 500 episodes and a big twist, 'NCIS' continues to thrive with no signs of stopping

With its 500th episode, which features a major character death, the show ranks among the longest-running scripted, ...

'NCIS' Episode 500: Showrunner on 23 Seasons, Surviving Cast Turnover

There’s the Indy 500, and then there’s the NC-500. “NCIS” will air its 500th episode Tuesday night - a rarefied air shared in ...