Complex sentence: Jennifer Leann Carpenter (born December 7,1979) is an American actress best known for playing Debra Morgan on the Showtime drama series "Dexter" (2006--2013), for which she won a Saturn Award for Best Supporting Actress on Television in 2009.
Split into simpler sentences: Jennifer Leann Carpenter (born December 7,1979) is an American actress. Carpenter is best known for playing Debra Morgan on the hit Showtime drama series "Dexter", for which she won a Saturn Award in 2009.