Andrea Parker · Jessica DiLaurentis, Guest, Recurring, Guest, Main. Mary Drake, Guest, Guest. Recurring cast. Cast members overview · Main characters · Acquaintances of Aria Montgomery. Read bios for all actors and actresses in Pretty Little Liars. Shay Mitchell Emily Fields · More details. Pretty Little Liars - Ashley Benson. Pretty Little Liars: Troian Bellisario, Ashley Benson, Holly Marie Combs, Lucy Hale, Ian Harding, Laura Leighton, Chad Lowe, Shay Mitchell.