It’s hard to picture anyone other than Mark Harmon playing the role of Special Agent Leroy Jethro Gibbs on NCIS, but he almost didn’t play the role!
The 73-year-old actor played the iconic character on the JAG spinoff series for 19 seasons, becoming the second to last original series regular to depart the show.
In a recent feature from The Hollywood Reporter on the long-running and hit CBS drama series, creators Donald P. Bellisario and Don McGill, as well as several executives...