Final answer:
Ellen Pompeo operates as the title character on the TV show 'Grey's Anatomy'.
Step-by-step explanation:
The title character on the TV show 'Grey's Anatomy' is operated by Ellen Pompeo. Grey's Anatomy is a medical drama television series that follows the lives of surgical interns, residents, and attendings as they navigate their personal and professional relationships in a fictional Seattle hospital. Ellen Pompeo plays the role of Dr. Meredith Grey, the central character and narrator of the show. Her character's journey through medical school and her career in surgery is a major focus of the series.