Lucy Hale Aria Montgomery Actor Ashley Benson Hanna Marin Actor Troian Bellisario Spencer Hastings Actor Shay Mitchell Emily Fields Actor Ian Harding Ezra Fitz Actor Laura Leighton Ashley Marin Actor Sasha Pieterse Alison DiLaurentis Actor Tyler Blackburn Caleb Rivers Actor Janel Parrish Mona Vanderwaal Actor Larisa Oleynik Guest Star Andrea Parker Mary Drake Guest Star Lindsey Shaw Guest Star Sean Faris Guest Star Keegan Allen Guest Star John O'Brien Guest Star Matt Elrod Guest Star Tammin Sursok Guest Star Bryce Johnson Guest Star Nia Peeples Guest Star Karla Droege Guest Star Mercy Malick Guest Star Nikki Hahn Guest Star Cassandra Mason Guest Star Alan Maxson Guest Star Leslie Morganstein Executive Producer I. Marlene King Executive Producer Oliver Goldstick Executive Producer