Some actors, like Shay Mitchell and Ashley Benson, were actually in their 20s or 30s even though they were playing young teenagers on-screen.
The Cast Of Pretty Little Liars: Where Are They Now?
Pretty Little Liars - Full Cast & Crew - TV Guide
Photos from Pretty Little Liars 5 Years Later: See the Stars Then
This is how old the cast of Pretty Little Liars were compared to
Ashley Marin's Instagram, Twitter & Facebook on IDCrawl
Pretty Little Liars: See How The Characters Changed Over 7 Seasons
This is how old the cast of Pretty Little Liars were compared to
Pretty Little Liars' Movie? Cast Talks Big-Screen Possibilities
Pretty Little Liars' Movie? Cast Talks Big-Screen Possibilities
The Beauty Evolution of the Pretty Little Liars Cast
Pretty Little Liars cast: Then and now
Pretty Little Liars' Cast: Where Are They Now?