Ziva David is a fictional character from the television series NCIS, which focuses on a team of special agents investigating crimes related to the U.S. Navy and Marine Corps. Portrayed by actress Cote de Pablo, Ziva is introduced in Season 3 and becomes a key member of the team, known for her intelligence, combat skills, and strong personality. Originally an Israeli Mossad officer, Ziva's character evolves throughout the series, showcasing her struggles with loyalty, family, and her past. She is well-regarded for her complex relationships with other characters, particularly with Tony DiNozzo, adding depth to the show's narrative.