Mark Harmon’s Pre-NCIS Special Agent Role Everyone Forgot About

Some may say he was even better than Gibbs.

Considering that Mark Harmon spent 19 years as NCIS Special Agent Gibson, it’s no surprise that this role will forever be the first that comes to mind when the actor’s name is mentioned. The show could not have existed as we know it without Harmon, and fans will forever be grateful that he helped shape the dynamic that the other cast members now carry.

But when it comes to Harmon’s filmography, it’s much more extensive than just one television hit. Throughout his career in entertainment, the actor has appeared in many TV shows, including the medical drama Chicago Hope and the 90s NBC hit Reasonable Doubts.