J.K. Simmons Mr. Wroblewski
Chris Pratt Roman Duda
Megan Fox Jennifer
Amanda Seyfried Needy
Amy Sedaris Needy's Mom
Adam Brody Nikolai
Scott J. Ateah Stunt Coordinator
Roger Craig Smith ADR & Dubbing
Lance Henriksen Passing Motorist (uncredited)
Debbie Van Dusen First Assistant Accountant
Robert A. Pandini Hairstylist
Kyle Gallner Colin Gray
Eve Harlow Goth Girl
Valerie Tian Chastity
Hector C. Gika Sound Editor
Bill Fagerbakke Jonas' Dad
Karyn Kusama Director
Johnny Simmons Chip
Brad Kelly Stunts
Carrie Genzel Jennifer's Mom
Emily Tennant Gossiping Girl
Gabrielle Rose Colin's Mom
Jason Reitman Producer
Richard Dwan Jr. Sound Editor
Kim Howey Stunts
Martha Pike Digital Intermediate Editor
J. Stanley Johnston Sound Re-Recording Mixer
Owen Walstrom Stunts
Cathy Cavadini ADR & Dubbing
Garvin Cross Stunts
Barbara Harris ADR & Dubbing
Diablo Cody Executive Producer, Melody Lane Drinking Woman (uncredited), Writer
Megan Charpentier Little Needy
Adrian Hough Colin's Dad
Cynthia Stevenson Chip's Mom
Brad Loree Stunts
Krista Bell Stunts
Marilyn Norry Jonas' Mom
Brett Armstrong Stunts
Randall Poster Music Supervisor
Jeff Fischer ADR & Dubbing
Laura Lee Connery Stunts
Mike Mitchell Stunts
Vicki Davis ADR & Dubbing
Darryl Scheelar Stunts
Candus Churchill Nutritionist
Perry Robertson Supervising Sound Editor
Aaron Fors ADR & Dubbing
Michael Bean Priest
Juno Rinaldi Officer Warzak
Juan Riedinger Dirk
Loyd Bateman Stunts
Mike Carpenter Stunts
Ryan Ennis Stunts
Ed Anders Stunt Coordinator, Orderly
Joel Swetow ADR & Dubbing
Byron Brisco Stunts
Genevieve Buechner Goth Girl #2
Mindy Marin Casting
Scott Sanders Supervising Sound Editor
Theodore Shapiro Original Music Composer
Christine Wilson Script Supervisor
Mike Crestejo Stunts
Anthony David Moyer Stunts
Andreana Weiner ADR & Dubbing
Lanei Chapman ADR & Dubbing
David Michie ADR & Dubbing
Cody Laudan Stunts
Paige Pollack ADR & Dubbing
Arvinder Greywal Production Design
Jeremy Schuetze Craig
Monica Huppert Makeup Artist