Retied The Knot! Vow Renewal! Mark Harmon & Pam Dawber Celebrate 30 Years Find out why the couple’s relationship is ‘stronger than it was’ years ago. By Stacy Pierre-Louis, March 24, 2017 Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to email this to a friend (Opens in new window) Filed under: Mark Harmon, Pam Dawber Comments YOU MIGHT ALSO LIKE Inside Mark Harmon’s ‘NCIS’ Feuds Inside 'Devastated' Mark Harmon's Secret Heartbreak!