Caitlin Todd is a fictional character from the television series NCIS. She is portrayed by actress Ashley Scott and serves as a forensic specialist. Caitlin is known for her intelligence, dedication to her work, and strong analytical skills, which help the NCIS team solve complex cases. In the series, Caitlin often collaborates with other main characters, including Special Agent Gibbs and Dr. Mallard. Her character adds depth to the show by providing insights into forensic science and the investigative process, making her an essential part of the team’s success in solving crimes.