Who wrote the film in which the actress best known for her starring roles in Mistress America, plays a supporting role, along side Ben Affleck and Rosamund Pike?
Lola Kirke: Lola Kirke (born 27 September 1990) is an English-born American actress, singer-songwriter and musician, best known for her starring roles in "Mistress America" and the Amazon Studios television series "Mozart in the Jungle." Lola Kirke:  She is also known for her supporting role in David Fincher's "Gone Girl." Gone Girl (film): Gone Girl is a 2014 American psychological thriller film directed by David Fincher and written by Gillian Flynn, based on her 2012 novel of the same name. Gone Girl (film):  The film stars Ben Affleck, Rosamund Pike, Neil Patrick Harris, and Tyler Perry.
Gillian Flynn