Guest Stars Lindsey Shaw as Paige McCullers Torrey DeVitto as Melissa Hastings Drew Van Acker as Jason DiLaurentis Nolan North as Peter Hastings Jim Abele as Kenneth DiLaurentis Chloe Bridges as Sydney Driscoll John O'Brien as Mr. Hackett Co Starring Scott Lincoln as Arnie Thomas W. Ashworth as Mr. Donahue
