Megan Fox Jennifer
Chris Pratt Roman Duda
J.K. Simmons Mr. Wroblewski
Amanda Seyfried Needy
Adam Brody Nikolai
Lance Henriksen Passing Motorist (uncredited)
Kyle Gallner Colin Gray
Amy Sedaris Needy's Mom
Eve Harlow Goth Girl
Karyn Kusama Director
Johnny Simmons Chip
Emily Tennant Gossiping Girl
Roger Craig Smith ADR & Dubbing
Jason Reitman Producer
Gabrielle Rose Colin's Mom
Valerie Tian Chastity
Megan Charpentier Little Needy
Adrian Hough Colin's Dad
Marilyn Norry Jonas' Mom
Jeff Fischer ADR & Dubbing
Cynthia Stevenson Chip's Mom
Diablo Cody Executive Producer, Melody Lane Drinking Woman (uncredited), Writer
Laura Lee Connery Stunts
Loyd Bateman Stunts
Darryl Scheelar Stunts
Genevieve Buechner Goth Girl #2
Vicki Davis ADR & Dubbing
Barbara Harris ADR & Dubbing
Brad Kelly Stunts
Bill Fagerbakke Jonas' Dad
Carrie Genzel Jennifer's Mom
Candus Churchill Nutritionist
Mike Mitchell Stunts
Theodore Shapiro Original Music Composer
Brad Loree Stunts
Cathy Cavadini ADR & Dubbing
Juan Riedinger Dirk
Garvin Cross Stunts
Andrea Baker ADR & Dubbing
Mike Carpenter Stunts
Randall Poster Music Supervisor
Michael Bean Priest
Lanei Chapman ADR & Dubbing
Alan Freedman ADR Mixer
Todd Scott Stunts
Mindy Marin Casting
Owen Walstrom Stunts
Brett Armstrong Stunts
Richard Dwan Jr. Sound Editor
Juno Rinaldi Officer Warzak
Dan Joffre Raymundo
Krista Bell Stunts
Scott J. Ateah Stunt Coordinator
Byron Brisco Stunts
Ryan Ennis Stunts
Jason Blumenfeld First Assistant Director
James Forsyth Extras Casting
Aaron Fors ADR & Dubbing
Anthony David Moyer Stunts
Nesta Chapman Stunts
Josh Emerson Jonas Kozelle
Scott Sanders Supervising Sound Editor
David J. Randolph ADR & Dubbing
J. Stanley Johnston Sound Re-Recording Mixer
Jeremy Maxwell ADR & Dubbing
Karissa Tynes Other Girl
Chris Dowell Post Production Supervisor
M. David Mullen Director of Photography
Gary Hawes Third Assistant Director
Jason Crosby Marine Coordinator
Ed Anders Stunt Coordinator, Orderly
Perry Robertson Supervising Sound Editor