Jennifer Carpenter
Jennifer Leann Carpenter (born December 7, 1979) is an American actress. She is known for playing Debra Morgan, the adoptive sister of the title character of the Showtime series "Dexter", for which she earned a Saturn Award in 2009, and also for playing Rebecca Harris in the CBS television series "Limitless".
Rita Bennett
Rita Bennett ("née" Brandon; later Morgan) is a fictional character created by Jeff Lindsay for his book series about a vigilante serial killer named Dexter Morgan. She also appeared in the television series "Dexter", based on Lindsay's books. She was the girlfriend and later wife of Dexter in both media. Portrayed by Julie Benz, Rita was a series regular in the first four seasons. The character made her last television appearance in 2010; she was a special guest star in "Dexter" season five opener entitled "My Bad". The character appeared in seven of the eight "Dexter" novels.