'NCIS' Mark Harmon Quiz

NCIS: "Gibbs" (Mark Harmon) has had a really tragic life story so far.
You have answered out of questions correctly.

Are you a true fan of NCIS star Mark Harmon? Then these questions should be no problem for you! Test your knowledge on the actor in our quiz!

QUIZ: Do You Know It All About Mark Harmon?

Good luck on the quiz!