Mary Drake is a fictional character created by I. Marlene King and portrayed by Andrea Parker in the American television series "Pretty Little Liars".
 "Pretty Little Liars" is a television adaptation of the novel series of the same name written by Sara Shepard, in which the antagonist Alison DiLaurentis has an identical twin sister, Courtney DiLaurentis.
 It is believed that Mary is the on-screen counterpart of Courtney, though her recent characterization is more in line with Alison.
 The character makes her first official introduction during the sixth-season finale "Hush, Hush, Sweet Liars".
 The Liars discover that Mary is Jessica DiLaurentis' identical twin sister, a former patient at Radley Sanitarium who is Charlotte's biological mother.
 In "The DArkest Knight", Drake is also revealed to be Spencer Hastings' biological mother.
 During "Till Death Do Us Part", the elusive A.D. is revealed to be Alex Drake, Spencer's younger identical twin sister.
 Alex believed the Liars knew who was accountable for Charlotte's murder and was also set on physically replacing Spencer due to being jealous of the life that she had.
Alexandra "Alex" Drake is a fictional character created by I. Marlene King and portrayed by Troian Bellisario for the American television series "Pretty Little Liars".
 She was officially introduced during the series' final episode "Till Death Do Us Part", revealed to be Spencer Hastings' identical twin sister as well as the elusive "A.D.".
 Alex believed the Liars knew who was accountable for Charlotte Drake's homicide and was also set on physically replacing Spencer due to being jealous of the upbringing that she was able to have.
 She was adopted by a wealthy British family that later abandoned her, forcing Alex to bounce around foster homes and orphanages for a large portion of her childhood.
 She is believed to be the deadliest antagonist of the series.
Pretty Little Liars is a series of young adult novels by Sara Shepard.
 Beginning with 2006's initial novel of the same name, the series follows the lives of four girls – Spencer Hastings, Hanna Marin, Aria Montgomery and Emily Fields.
"Pretty Little Liars" is a TV series which premiered on ABC Family on June 8, 2010.
 Developed by I. Marlene King, the series is based on the "Pretty Little Liars" book series by Sara Shepard.
 The series follows the lives of four girls, Aria Montgomery, Hanna Marin, Emily Fields, and Spencer Hastings, whose clique falls apart after the disappearance of their leader, Alison DiLaurentis.
 One year later, the estranged friends are reunited as they begin receiving messages from a mysterious figure named "A" who threatens to expose their deepest secrets, including ones they thought only Alison knew.
Where'd You Go, Bernadette is an upcoming American comedy-drama film, directed by Richard Linklater, from a screenplay by Linklater, Holly Gent Palmo, Vincent Palmo Jr., Michael H. Weber and Scott Neustadter.
 It is based upon the novel of the same name by Maria Semple.
 It stars Cate Blanchett, Billy Crudup, Kristen Wiig, Judy Greer, Laurence Fishburne, Troian Bellisario and James Urbaniak.
Melissa Hastings is a fictional character in the "Pretty Little Liars" franchise.
 Created in 2006 by Sara Shepard for the book series, the character was later reworked by I. Marlene King, the developer of the television series, in which she is portrayed by Torrey DeVitto.
 An antiheroine, Melissa is primarily sister to protagonist Spencer Hastings, and the daughter of Peter and Veronica Hastings.
 She is a fierce woman who does everything to succeed in her life goals.
 In print, she is a guest character, while on screen Melissa has a much bigger presence in the story.
Pretty Little Liars: The Perfectionists is a upcoming American teen drama television series developed by I. Marlene King, loosely based on the popular book series "The Perfectionists" written by Sara Shepard.
 A second spin-off of "Pretty Little Liars" after "Ravenswood", Freeform greenlit the series on September 25, 2017.
Aeriél Christine Miranda (born April 3, 1992) is an American actress.
 She is best known for her recurring role as Shana Fring on the ABC Family series, "Pretty Little Liars" (2013–2014).
 She was first introduced as Shana on the "Pretty Little Liars" web series, "Pretty Dirty Secrets", prior to appearing on "Pretty Little Liars".
 Miranda also had a recurring role as Lana on the ABC Family series "The Nine Lives of Chloe King" (2011).
Troian Avery Bellisario ( ; born October 28, 1985) is an American actress, writer, producer and director.
 She is known for playing the role of Spencer Hastings in Freeform's "Pretty Little Liars".
 She is the daughter of producers Donald P. Bellisario and Deborah Pratt.
 Born in Los Angeles, California.
 Bellisario made her acting debut in her father's 1988 film "Last Rites" at the age of three.
 She continued to have roles produced by her father, mainly in television shows such as "Quantum Leap", "First Monday", and "NCIS", and in 1998, she acted in the direct-to-video comedy film "Billboard Dad".
 In 2010, she received praise for her leading performance in the film "Consent" for which she won the Vision Fest Award for Best Acting by a Female Lead and the FirstGlance Philadelphia Award for Best Actress.
Spencer Hastings is a fictional character, one of the five main characters who appeared in the "Pretty Little Liars" novels and its television adaptation.
 Created in 2006 by American writer Sara Shepard, she is member of the group known as the Liars, and is best friend to the four other members, who are also protagonists.
 The character was developed for television by the series' showrunner I. Marlene King, and appeared in each of the show’s 160 episodes during its seven-years-long run, from its premiere on June 8, 2010 to its finale on June 27, 2017.
 Spencer is known in the fictional town of Rosewood for her sophisticated charm and dedication to life goals.
 She is part of the extremely rich, powerful, old family Hastings; Spencer's parents, Veronica and Peter, are both linked to politics and her sister, Melissa, is likewise intelligent and uses her sarcasm and success to affect Spencer psychologically whenever possible.
 Spencer's characteristics and story have the same methodology in both books and television; however, there are some perceptual differences between the versions, since the television series doesn't follows the books' scripts.

Question: Who is the director of the upcoming American comedy-drama film starring the actress who played the role of Spencer Hastings in Freeform's "Pretty Little Liars"?
Answer: Richard Linklater