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 was a character in the "Dexter" series of novels written by author Jeff Lindsay. Rita first appears in the original novel "Darkly Dreaming Dexter". In the book series, Dexter Morgan primarily considers her a part of his "disguise", but he does care for her in his own emotionless way.