Jennifer

Megan Fox

Acting

Needy

Amanda Seyfried

Acting

Chip

Johnny Simmons

Acting

Nikolai

Adam Brody

Acting

Chas

Sal Cortez

Acting

Mick

Ryan Levine

Acting

Dirk

Juan Riedinger

Acting

Keyboardist

Colin Askey

Acting

Roman Duda

Chris Pratt

Acting

Officer Warzak

Juno Rinaldi

Acting

Colin Gray

Kyle Gallner

Acting

Jonas Kozelle

Josh Emerson

Acting

Mr. Wroblewski

J.K. Simmons

Acting

Needy's Mom

Amy Sedaris

Acting

Chip's Mom

Cynthia Stevenson

Acting

Camille

Nicole Leduc

Acting

Ahmet from India

Aman Johal

Acting

Raymundo

Dan Joffre

Acting

Nutritionist

Candus Churchill

Acting

Jennifer's Mom

Carrie Genzel

Acting

Little Jennifer

Emma Gallello

Acting

Little Needy

Megan Charpentier

Acting

Craig

Jeremy Schuetze

Acting

Chastity

Valerie Tian

Acting

Gossiping Girl

Emily Tennant

Acting

Other Girl

Karissa Tynes

Acting

Goth Girl

Eve Harlow

Acting

Goth Boy

Michael Brock

Acting

Goth Girl #2

Genevieve Buechner

Acting

Colin's Dad

Adrian Hough

Acting

Colin's Mom

Gabrielle Rose

Acting

Priest

Michael Bean

Acting

Jonas' Dad

Bill Fagerbakke

Acting

Jonas' Mom

Marilyn Norry

Acting

DJ at Dance

Cut Chemist

Acting

Candlelight Vigil Singer

Zoe LaLiberté

Acting

Candlelight Vigil Singer

Chelsey Smith

Acting

Candlelight Vigil Singer

Whitney Chow

Acting

Candlelight Vigil Singer

Michael Orstad

Acting

Orderly

Ronnie Robinson

Acting

Orderly

Ed Anders

Crew

Patient #1

Roxanne Wong

Acting

Patient #2

Diane Dutra

Acting

The Creepy Hand

Maya Toews

Production

Melody Lane Drinking Woman (uncredited)

Diablo Cody

Writing

Passing Motorist (uncredited)

Lance Henriksen

Acting