Pretty Little Liars (2010)

Creator: I. Marlene King

Based on the Pretty Little Liars series of young adult novels by Sara Shepard, the series follows the lives of four girls — Spencer, Hanna, Aria, and Emily — whose clique falls apart after the disappearance of their queen bee, Alison. One year later, they begin receiving messages from someone using the name "A" who threatens to expose their secrets — including long-hidden ones they thought only Alison knew.

Cast

Lucy Hale

Aria Montgomery

Troian Bellisario

Spencer Hastings

Ashley Benson

Hanna Marin

Shay Mitchell

Emily Fields

Sasha Pieterse

Alison DiLaurentis

Ian Harding

Ezra Fitz

Tyler Blackburn

Caleb Rivers

Janel Parrish

Mona Vanderwaal

Andrea Parker

Mary Drake