Nancy

Nancy is a 2014 horror film, starring Emma Bell, Kristen Stewart, Rooney Mara, Liam Hemsworth, Chris Hemsworth, Alex Pettyfer, Olivia Wilde, Zac Efron, Gerald Butler, Mark Wahlberg, Taylor Momsen, Naomi Watts, Bella Thorne, Carlo Marks, Chloe Mortez, Bobby Coleman and Leighton Meester

Summary
When her best friend starts killing people, a 19 year old girl must stop her before it's too late.

Cast

 * Emma Bell as Ashley "Ash" Richmond/19 years old
 * Kristen Stewart as Nancy Hamilton/Ash's best friend and the killer
 * Rooney Mara as Kimberly Watson
 * Liam Hemsworth as Eric Stewart/Ash's neighbor
 * Chris Hemsworth as Jack Stewart/Eric's brother and Ash's love interest
 * Alex Pettyfer as Dean Harrison/Kimberly's boyfriend
 * Olivia Wilde as Amy Hudson/Nancy's former best friend
 * Zac Efron as Shawn Campbell/Nancy's boyfriend
 * Gerald Butler as Victor Richmond/Ash's father
 * Mark Wahlberg as Pablo Hamilton/Nancy's father and a widow
 * Taylor Momsen as Molly Stein/A goth girl who helps Ash stop Nancy
 * Naomi Watts as Natalie Richmond/Ash's mother
 * Bella Throne as Lanna Richmond/Ash's sister
 * Carlo Marks as Logan Hudson/Amy's brother and Nancy's ex-boyfriend
 * Chloe Mortez as Tammy Watson/Kimberly's sister
 * Bobby Coleman as Noah Stein/Molly's brother
 * Leighton Meester as Vivian Campbell/Shawn's sister

Killers
Nancy Hamilton-

Trivia
Emma Bell dyes her hair brown for her character

Taylor Momsen dyes her hair black for her character