Jennifer's Body

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