Jennifer Carpenter (born December 7, 1979) is an American actress. She garnered wide attention for her role as the titular character in the supernatural horror film The Exorcism of Emily Rose (2005), which established her as a scream queen. She rose to prominence for playing Debra Morgan in the crime drama series Dexter (2006–2013), which she reprised in the miniseries Dexter: New Blood (2021–2022).