[edit] Jenny Shepard
Portrayed by Lauren Holly, she first appeared in the episode "Kill Ari (Part 1)". She replaced former NCIS director Thomas Morrow, at the start of the third season after Morrow took a Deputy Director's position with the Department of Homeland Security. She was Gibbs' former partner and also his former lover. She was killed in the episode "Judgment Day (Part 1)". At the time of her death she was already dying from brain cancer. In several episodes before her death in the episode "Judgment Day (Part 1)", Ducky is shown to be ordering a test on a blood sample to Abby, telling...