Question: how old was the pretty little liars cast when it started?
Answer: Ashley Benson was 20 years old when she started playing 16-year-old Hanna Marin in 2010. Hanna is approximately 18 years old on “Pretty Little Liars,” and around 23 when the show picks up after the time jump. The actress is now 25 years old, which is the closest she's been to her character in age.