Grave New World

4x13 is the thirteenth episode of Season 4 of Pretty Little Liars. It will air in October 2013 and is currently under production. It will be written by Joseph Dougherty, I. Marlene King, and Oliver Goldstick. Filming (assumingly) began on May 29, 2013 and ended on Monday, June 10, 2013.

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

Guest Cast

 * Tyler Blackburn  as  Caleb Rivers
 * Janel Parrish as Mona Vanderwaal
 * Ian Harding as Ezra Fitz
 * Tammin Sursok as Jenna Marshall

Special Guest Cast
Ravenswood Characters
 * Nicole Gale Anderson as Miranda
 * Brett Dier as Luke
 * Elizabeth Whitson as Olivia
 * Britne Oldford as Remy

Trivia

 * Joseph tweeted Halloween, with I. Marlene King and Oliver Goldstick, when asked about what he writing next.
 * Joseph tweeted that they were getting this episode ready (May 26).
 * The table-read was on May 28, 2013.
 * Late night shoot was on June 4, 2013.
 * Ashley tweeted that they had another late night shoot on June 5, 2013.
 * Filming began on May 29, 2013 and ended on June 10, 2013.