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 Chad Lowe Byron Montgomery Guest Star Keegan Allen Guest Star Cody Christian Guest Star Matt Elrod Guest Star John O'Brien Guest Star Nia Peeples Guest Star Dougald Park Guest Star Joseph Zinsman Guest Star Leslie Morganstein Executive Producer I. Marlene King Executive Producer Oliver Goldstick Executive Producer