11 Actors Were Considered to Play Gibbs on ‘NCIS’ Before Mark Harmon Was Cast (Including Two Oscar Winners!) | Casting, CBS, EG, Extended, Mark Harmon, NCIS, Slideshow, Television | Celebrity News and

It’s hard to picture anyone other than Mark Harmon playing Special Agent Leroy Jethro Gibbs on NCIS , but several other very talent actors were also considered for the role!

The 73-year-old Emmy-nominated 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 revealed that there were other names before Mark ‘s who were mentioned for the part.

Find out who will be playing Gibbs in an upcoming NCIS: Origins prequel series!

Head inside to see the 11 major stars who were once considered for the role of Gi