Mark Harmon REVEALS Why He Had To LEAVE NCIS..
NCIS just isn’t the same without Mark Harmon. Harmon portrayed the iconic character of Leroy Jethro Gibbs for almost 20 years. It’s been years since viewers last saw Agent Gibbs, but fans still have questions over his exit. Why did Mark Harmon leave NCIS and what happened to Agent Leroy Jethro Gibbs in the first place? Two years after he ended his stint as Leroy Jethro Gibbs, Mark Harmon clarifies the real reason he left the show amid calls for his return. Want to know more? Stay tuned to find out!