Mark Harmon Mark Harmon

NCIS' Mark Harmon definitely has silver fox status now that he's 60, but was he so cute in high school?

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See Harmon before he was a star in this photo gallery from Snakkle.com. Plus, check out what the rest of the cast of NCIS was up to before they were investigating Navy and Marine Corps crimes. (Young Pauly Perrette is as cute as a button.) View the photos here.