Exclusive!! Mark Harmon was seen filming his hit TV show, "NCIS" on location in Valencia, CA. Harmon recently completed filming "Weather Girl" with Jon Cryer, due out this year. Valencia, CA. 3/31/08
NCIS' Mark Harmon at the White House for episode said to feature Michelle Obama | Daily Mail Online
Brentwood, LA, 27 May 2020 - Mark walking his dog Dave, together with Pam | Mark harmon, Leroy jethro gibbs, Ncis characters
CBS Eyeing 'NCIS' Spinoff From Gary Glasberg and Mark Harmon – The Hollywood Reporter