AHorizon Scripted Television and Alloy Entertainment are set to begin production on the fourth season of ABC Family's hugely popular teen drama mystery thriller one-hour single-camera television series "Pretty Little Liars". The show's casting directors are auditioning actors for guest starring, recurring, and day player roles. Extras are being cast throughout the season. The network has ordered 24 episodes that will shoot beginning on March 15, 2013. The story is set in the fictitious town of Rosewood, Pennsylvania but shoots in Los Angeles. The first season of "Pretty Little Liars" premiered on June 8, 2010 becoming ABC Family's highest-rated series debut on record. The show airs on Tuesdays at 8/7c.Details Here:ABC Family Casting 'Pretty Little Liars' Season Fourhttp://www.examiner.com/article/pretty-little-liars-now-casting-actors-and-extras-for-abc-family-s-fourth-season2013 Actors Resource Guide eBookshttp://www.ActorsResourceGuides.com