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".
Dexter by Design
Deborah Morgan: Dexter's adoptive sister and a police detective with the homicide department of Miami Police Department. Deborah has recently learned of Dexter's "hobby", and feels conflicted about keeping it a secret. Further complicating her feelings is the fact that Dexter saved her boyfriend, Kyle Chutsky, from a particularly brutal serial killer in "Dearly Devoted Dexter