J.K. Simmons Mac MacGuff
Jason Bateman Mark Loring
Elliot Page Juno MacGuff
John Malkovich Producer
Michael Cera Paulie Bleeker
Jennifer Garner Vanessa Loring
Allison Janney Bren MacGuff
Rainn Wilson Rollo
Robert A. Pandini Hairstylist
Olivia Thirlby Leah
Eve Harlow Tough Girl
Scott J. Ateah Stunt Coordinator
Valerie Tian Su-Chin
Victoria Down Key Makeup Artist
Candice King Amanda, Girl Lab Partner
Michael Diner Art Direction
Cameron Bright RPG Nerd
Emily Tennant Pretty-to-Goth Girl
Jason Reitman Director
Richard Dwan Jr. Sound Editor
Dana E. Glauberman Editor
Rickley W. Dumm Sound Editor
J. Stanley Johnston Sound Re-Recording Mixer
Ian R. C. Levine Second Assistant "B" Camera
Diablo Cody Writer
Eileen Pedde Gerta Rauss
Emily Perkins Punk Receptionist
Mindy Marin Casting
Jeff Witzke Track Announcer
Shane Vieau Set Decoration
Steven Christopher Parker Guy Lab Partner
Sandy Cooper Makeup Artist
Kara Lipson Casting
Sherry Linder-Gygli Key Hair Stylist
Nathan Kahane Executive Producer
Peter Afterman Music Supervisor
Darla Fay Bleeker's Mom
Perry Robertson Supervising Sound Editor
Monica Huppert Makeup Artist
Scott Sanders Sound Re-Recording Mixer, Sound Designer
Kelli Konop Co-Producer
Doane Gregory Still Photographer
Stewart Whelan First Assistant Camera
Kirsten Alter Nurse
Randy A. Jablonka Lighting Technician
Steve Saklad Production Design
Robyn Ross Vanessa's Friend #2
Sheryl Rhodes Assistant Production Coordinator
Ken S. Polk Sound Re-Recording Mixer
Jason Blumenfeld First Assistant Director
Daniel Clark Steve Rendazo
Monique Prudhomme Costume Design
Barney Cabral Supervising ADR Editor
Sergio Lavilla Set Dresser
John Clothier Camera Operator
Nick South Music Editor
Mason Novick Producer
Jim Miller Co-Producer
Aman Johal Vijay
Lianne Halfon Producer
Michael Kreple Foley
Kaaren de Zilva Ultrasound Technician
Brad Van Arragon Co-Producer
Joseph Drake Executive Producer
Sierra Pitkin Liberty Bell
Dave Askey Key Grip
Lori West Art Department Coordinator
Nick Neutra Foley
Margaret Yen Music Supervisor
Russell Smith Producer
Eric Steelberg Director of Photography
Clay Rawlins First Assistant Editor