LifestyleActor and Comedian Diona Reasonover Is On The RiseBrittany DandyJuly 23, 2018July 23, 2018 by Brittany DandyJuly 23, 2018July 23, 20181112 Diona Reasonover is replacing Pauley Perrette as the show NCIS's forensic scientist. Perette's quirky nerd character became a fan favorite. If there is anyone who can win...