Full Cast
-
Megan Fox
Jennifer
-
Amanda Seyfried
Needy
-
Johnny Simmons
Chip
-
Adam Brody
Nikolai
-
Sal Cortez
Chas
-
Ryan Levine
Mick
-
Juan Riedinger
Dirk
-
Colin Askey
Keyboardist
-
Chris Pratt
Roman Duda
-
Juno Rinaldi
Officer Warzak
-
Kyle Gallner
Colin Gray
-
Josh Emerson
Jonas Kozelle
-
J.K. Simmons
Mr. Wroblewski
-
Amy Sedaris
Needy's Mom
-
Cynthia Stevenson
Chip's Mom
-
Nicole Leduc
Camille
-
Aman Johal
Ahmet from India
-
Dan Joffre
Raymundo
-
Candus Churchill
Nutritionist
-
Carrie Genzel
Jennifer's Mom
-
Emma Gallello
Little Jennifer
-
Megan Charpentier
Little Needy
-
Jeremy Schuetze
Craig
-
Valerie Tian
Chastity
-
Emily Tennant
Gossiping Girl
-
Karissa Tynes
Other Girl
-
Eve Harlow
Goth Girl
-
Michael Brock
Goth Boy
-
Genevieve Buechner
Goth Girl #2
-
Adrian Hough
Colin's Dad
-
Gabrielle Rose
Colin's Mom
-
Michael Bean
Priest
-
Bill Fagerbakke
Jonas' Dad
-
Marilyn Norry
Jonas' Mom
-
Cut Chemist
DJ at Dance
-
Zoe LaLiberté
Candlelight Vigil Singer
-
Chelsey Smith
Candlelight Vigil Singer
-
Whitney Chow
Candlelight Vigil Singer
-
Michael Orstad
Candlelight Vigil Singer
-
Ronnie Robinson
Orderly
-
Ed Anders
Orderly
-
Roxanne Wong
Patient #1
-
Diane Dutra
Patient #2
-
Maya Toews
The Creepy Hand
-
Diablo Cody
Melody Lane Drinking Woman (uncredited)
-
Lance Henriksen
Passing Motorist (uncredited)
