As of 2021, NCIS is entering its nineteenth season as a top-rated naval drama, but despite the show’s popularity, it’s come with its fair share of drama on set, leading to a handful of stars quitting and never looking back. You can rest assured that, at least for now, Mark Harmon will be staying on the show as Special Agent Leroy Jethro Gibbs. (You’ll have to determine whether that’s a good or bad thing after you read through this list!) But as for everyone else in the cast, it seems to be up for debate who stays and who goes.
Now, former cast members are dishing on the drama that led to them walking away from the show for good!
