Astor Bennett is Rita and Paul’s daughter. Dexter finds it hard to relate to a growing young lady, which results in some tension between the two. Christina has been an actress for some time despite her young age and has several movie and theater roles to her name, although “Dexter” is the only television show in which she has been credited. She has received two Young Artists Awards for Best Performance in a TV Series – Recurring Young Actress in both 2008 and 2009. She has done theatre work and has starred in a McDonald’s TV commercial. She has a twin sister, Courtney Robinson, who is also an actress.