When one major celebrity leaves a long-running TV show, there's always a reason why... and in most cases, a controversial reason. NCIS has had more than their fair share of cast members leave the show, granted the series has been on air since 2003! Watch the video to see what caused these actors to exit!

NCIS: The Real Reasons Behind Michael Weatherly & Coté de Pablo's Exits

NCIS and NCIS: L.A. Will Resume Production In September


Which 'NCIS' character was NOT first introduced in 'JAG'?