Mark Harmon and 'NCIS: Origins' Cast Spill on How Prequel Differs From OG Series - Entertainment Tonight
Mark and Sean Harmon on What to Expect From the 'NCIS: Origins' Prequel (Exclusive) - Entertainment Tonight
Mark Harmon Young Photos: See NCIS Star Now vs Then - Soaps.com
What Mark Harmon Told Diona Reasonover About Her First 'NCIS' Script - AOL
NCIS' 1000th Episode Finally Admits The Most Disappointing Truth About Mark Harmon's Gibbs Exit - Screen Rant
Desktop versie