Megan Fox Jennifer
Amanda Seyfried Needy
J.K. Simmons Mr. Wroblewski
Chris Pratt Roman Duda
Amy Sedaris Needy's Mom
Kyle Gallner Colin Gray
Adam Brody Nikolai
Lance Henriksen Passing Motorist (uncredited)
Eve Harlow Goth Girl
Valerie Tian Chastity
Karyn Kusama Director
Jason Reitman Producer
Bill Fagerbakke Jonas' Dad
Johnny Simmons Chip
Roger Craig Smith ADR & Dubbing
Emily Tennant Gossiping Girl
Gabrielle Rose Colin's Mom
Cynthia Stevenson Chip's Mom
Diablo Cody Executive Producer, Melody Lane Drinking Woman (uncredited), Writer
Megan Charpentier Little Needy
Cathy Cavadini ADR & Dubbing
Laura Lee Connery Stunts
Genevieve Buechner Goth Girl #2
Barbara Harris ADR & Dubbing
Marilyn Norry Jonas' Mom
Joel Swetow ADR & Dubbing
Jeff Fischer ADR & Dubbing
Adrian Hough Colin's Dad
Juan Riedinger Dirk
Garvin Cross Stunts
Carrie Genzel Jennifer's Mom
Juno Rinaldi Officer Warzak
Lanei Chapman ADR & Dubbing
Mike Carpenter Stunts
Darryl Scheelar Stunts
Vicki Davis ADR & Dubbing
Jeremy Maxwell ADR & Dubbing
Chris Dowell Post Production Supervisor
Scott J. Ateah Stunt Coordinator
Candus Churchill Nutritionist
Krista Bell Stunts
Dan Joffre Raymundo
Hector C. Gika Sound Editor
Josh Emerson Jonas Kozelle
Theodore Shapiro Original Music Composer
Brad Loree Stunts
Richard Dwan Jr. Sound Editor
Mike Mitchell Stunts
Karissa Tynes Other Girl
Brad Kelly Stunts
Brad Van Arragon Producer
M. David Mullen Director of Photography
Byron Brisco Stunts
Arvinder Greywal Production Design
Loyd Bateman Stunts
Randall Poster Music Supervisor
Jason Blumenfeld First Assistant Director
Jeremy Schuetze Craig
Owen Walstrom Stunts
Nicole Leduc Camille
Michael Bean Priest
Andrea Baker ADR & Dubbing
Mason Novick Producer
Robert A. Pandini Hairstylist
Aaron Fors ADR & Dubbing
J. Stanley Johnston Sound Re-Recording Mixer
Stephen Barton Original Music Composer
Todd Scott Stunts
Mindy Marin Casting
Monica Huppert Makeup Artist
Brett Armstrong Stunts
David J. Randolph ADR & Dubbing