Guest Stars Janel Parrish as Mona Vanderwaal Keegan Allen as Toby Cavanaugh Tammin Sursok as Jenna Marshall Drew Van Acker as Jason DiLaurentis Yani Gellman as Garrett Reynolds Annabeth Gish as Dr. Anne Sullivan Natalie Hall as Kate Paloma Guzmán as Jackie Molina Co Starring Helena Barrett as Bitsy Caroline Pho as Masseuse Danielle Taddei as Margaux