MARK HARMON of NCIS & LEON CARROLL JR., authors of GHOSTS OF PANAMA
Mark and Leon talk:
-How he could never do Leon's job in real life
-"He (Leon) was a guy on the set every day that I used, I used him"
-The book is based on a true story
-Mark's dad won the Heisman in 1940. One day he brought it on set