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".
List of Dexter characters
Hannah falls foul of Dexter by poisoning Debra. Hannah had tried to form a truce with Deb but she declined. She spiked Debra's drinking water causing her to pass out while driving. Dexter later gives Deb evidence to prove Hannah poisoned Price. Debra has Hannah arrested.