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
Ryan Schira
Peter
Susan Misner
Roxanne
Tara Subkoff
Gwen
Annika Peterson
Olga
