J.K. Simmons Mac MacGuff
Elliot Page Juno MacGuff
Allison Janney Bren MacGuff
John Malkovich Producer
Jason Bateman Mark Loring
Jennifer Garner Vanessa Loring
Olivia Thirlby Leah
Michael Cera Paulie Bleeker
Rainn Wilson Rollo
Cameron Bright RPG Nerd
Jason Reitman Director
Eve Harlow Tough Girl
Candice King Amanda, Girl Lab Partner
Emily Perkins Punk Receptionist
Emily Tennant Pretty-to-Goth Girl
Diablo Cody Writer
Valerie Tian Su-Chin
Shane Vieau Set Decoration
Mindy Marin Casting
Kirsten Alter Nurse
Steven Christopher Parker Guy Lab Partner
Kara Lipson Casting
Eileen Pedde Gerta Rauss
Rickley W. Dumm Sound Editor
Daniel Clark Steve Rendazo
Kaaren de Zilva Ultrasound Technician
Robyn Ross Vanessa's Friend #2
Dana E. Glauberman Editor
Daniel Dubiecki Executive Producer
Steve Saklad Production Design
Mateo Messina Original Music Composer
Victoria Down Key Makeup Artist
Eric Steelberg Director of Photography
Bryan Korenberg Property Master
Brad Van Arragon Co-Producer
Joseph Drake Executive Producer
Jeff Witzke Track Announcer
Doane Gregory Still Photographer
Stewart Whelan First Assistant Camera
Darla Fay Bleeker's Mom
Kimya Dawson Songs
Scott Sanders Sound Re-Recording Mixer, Sound Designer
Kevin Tomecek Carpenter
Richard Dwan Jr. Sound Editor
Barney Cabral Supervising ADR Editor
Perry Robertson Supervising Sound Editor
Margaret Yen Music Supervisor
Sherry Linder-Gygli Key Hair Stylist
Peter Afterman Music Supervisor
Sandy Cooper Makeup Artist
Scott J. Ateah Stunt Coordinator
Nathan Kahane Executive Producer
Michael Diner Art Direction
Jason Blumenfeld First Assistant Director
Ian R. C. Levine Second Assistant "B" Camera
Kelli Konop Co-Producer
Nick South Music Editor
Neil Robertson Location Manager
Mason Novick Producer
Jim Miller Co-Producer
Ken S. Polk Sound Re-Recording Mixer
Stephanie Rossel Script Supervisor
Russell Smith Producer
John Beatty Construction Coordinator
J. Stanley Johnston Sound Re-Recording Mixer
Lianne Halfon Producer
Nick Neutra Foley
Sigrid Spade Set Dresser
Cut Chemist Chemistry Teacher
Monique Prudhomme Costume Design
Lori West Art Department Coordinator
Catherine Schroer Art Direction