Benji Dunn is a fictional character from the popular action film series, Mission: Impossible. He is portrayed by actor Simon Pegg and first appeared in Mission: Impossible III. Benji is known for his technical expertise and often serves as a field agent and a support specialist for the main character, Ethan Hunt, played by Tom Cruise. Throughout the series, Benji provides crucial assistance with his skills in hacking and gadgetry. His character adds a blend of humor and intelligence to the team, making him a fan favorite. Benji's loyalty and resourcefulness contribute significantly to the success of their missions.