Enter the Professor

Enter the Professor! is the tenth episode of the first season of Pretty Little Liars: The Perfectionists.

Main Cast

 * Sasha Pieterse as Alison DiLaurentis
 * Janel Parrish as Mona Vanderwaal
 * Sofia Carson as Ava Jalali
 * Sydney Park as Caitlin Park-Lewis
 * Eli Brown as Dylan Wright
 * Kelly Rutherford as Claire Hotchkiss
 * Graeme Thomas King as Jeremy Beckett

Supporting Cast

 * Hayley Erin as TBA
 * Evan Bittencourt as Andrew
 * Garrett Wareing as Zach

Trivia

 * On December 19, 2018, I. Marlene King was working on the last touches of the script for the episode.
 * The tech scout for the episode took place on December 20, 2018.
 * Director Norman Buckley arrived in Portland on January 3, 2019.
 * On January 5, 2019, Graeme Thomas King revealed he coming back to work when in one of his Instagram stories, it showed him arriving at Seattle-Tacoma International Airport.
 * The cast received their scripts for the episode on January 5, 2019.
 * Graeme Thomas King received his script on January 6, 2019.
 * Filming for this episode and 1x10 began on January 7, 2019.
 * Filming for both episodes will end the week of January 21, 2019.
 * On January 18, 2019, Garrett Wareing had his last day on set.
 * Reshoots occurred in January 23, 2019.
 * Filming for this and Lie Together, Die Together wrapped on January 23, 2019.