Mark Harmon REVEALS Why He Had To LEAVE NCIS Published -- Download video MP4 360p Recommendations 28:42 Mark Harmon Finally Confesses Why He Had To Leave NCIS 08:42 34 NCIS actors, who have passed away 08:43 Mark Harmon SHOCKING Facts Fans NEVER Knew.. 08:04 NCIS Stars That Are Secretly RELATED.. 02:26 TV series NCIS How Changed Actors [Then and Now 2024] 53:06 Sean Murray: McGee and Pranking the Cast 14:48 Mark Harmon Truly Hated Her 08:06 The Sad Reason Tom Selleck Is Saying Goodbye 12:36 32 NCIS Actors Who Have Passed Away 03:27 Good Bye Ducky 😔🕊️ 31:23 Shawshank Redemption Cast Explain What Most Fans Never Figured Out