A manipulative childhood acquaintance worms her way into a teenager's circle of friends at an all-girls boarding school.
Rooney Mara
Fernanda
Georgia King
Victoria
Brie Larson
Kate
Amy Ferguson
Lucasta
Tom Everett Scott
Gio
Amy Sedaris
Mrs. Middlewood
Chris Kattan
Mr. Middlewood
Shawn Pyfrom
Hank
