Actresses Troian Bellisario, Ashley Benson, Shay Mitchell, and Lucy Hale star as the main characters Spencer Hastings, Hanna Marin, Emily Fields and Aria Montgomery.

Shepard had a cameo on two episodes of the show: "The Homecoming Hangover", as a substitute teacher and "I'm a Good Girl, I Am", as the news reporter.

[8] Sasha Pieterse and Janel Parrish have confirmed to reprise their original Pretty Little Liars roles as Alison DiLaurentis and Mona Vanderwaal.

[9] On September 29, 2017, it was announced that Shepard's 2014 book The Heiresses would be adapted into a television series for ABC, with Shay Mitchell starring as Corrine Saybrook.

[11] In May 2019, it was announced that Shepard would produce the anthology web series Crown Lake, which debuted on Brat on June 20, 2019.