Unbridled

Unbridled is the twenty third episode of Season 4 of Pretty Little Liars.

Title and Background

 * The title "Unbridled" is a synonym for the words uncontrolled or unrestrained.
 * A bridle itself is a piece of equipment for horses.

Main Cast

 * Troian Bellisario as Spencer Hastings
 * Ashley Benson as Hanna Marin
 * Shay Mitchell as Emily Fields
 * Lucy Hale as Aria Montgomery
 * Sasha Pieterse as Alison DiLaurentis
 * Janel Parrish as Mona Vanderwaal

Guest Cast

 * Laura Leighton as Ashley Marin
 * Lindsey Shaw as Paige McCullers [1]
 * Bryce Johnson as Darren Wilden
 * Holly Marie Combs as Ella Montgomery

Trivia

 * The table read was on October 15, 2013.
 * The episode will begin filming on October 16, 2013.