Investigate New Twists & Turns! It's a time of transition for the loyal agents of NCIS in Season 14 of the top-rated drama. Special Agent Leroy Jethro Gibbs (Mark Harmon) and the Major Case Response Team continue to answer the call of duty whenever and wherever crimes involve the U.S. Navy or jeopardize national security. This season, forensic scientist Abby Sciuto (Pauley Perrette), Senior Special Agent Timothy McGee (Sean Murray), Special Agent Eleanor Bishop (Emily Wickersham), Chief Medical Examiner Dr. Donald "Ducky" Mallard (David McCallum), Dr. Jimmy Palmer (Brian Dietzen) and Director Leon Vance (Rocky Carroll) welcome two new agents to the family: Nicholas Torres (Wilmer Valderrama) and Alexandra Quinn (Jennifer Esposito).