Seth Rogen Kyle Hirons, Producer
Bryce Dallas Howard Rachael
Joseph Gordon-Levitt Adam Lerner
James McAvoy Thanks
Anna Kendrick Katherine McKay
Anjelica Huston Diane Lerner
Jessica Parker Kennedy Jackie
Marie Avgeropoulos Allison
Matt Frewer Mitch
Stephen Colbert Self (archive footage) (uncredited)
James L. Brooks Thanks
Luisa d'Oliveira Agabelle Loogenburgen
Evan Goldberg Producer
Philip Baker Hall Alan
Uwe Boll Thanks
Michael Giacchino Original Music Composer
Andrew Airlie Dr. Ross
Sugar Lyn Beard Susan
P. Lynn Johnson Bernie
Francine Maisler Casting
Andrea Brooks Attractive Woman #2
Matty Finochio Ted
Laura Bertram Claire
Peter Kelamis Phil
Serge Houde Richard Lerner
Lauren Miller Rogen Bodie
Daniel Bacon Dr. Phillips
Veena Sood Nurse Stewart
D. C. Douglas Live Volcano Reporter (voice) (uncredited)
Yee Jee Tso Dr. Lee
Jonathan Levine Director
Sarah Smyth Jenny
Adrian Glynn McMorran Bartender
Stephanie Belding Friendly Nurse
Brett Armstrong Stunts
Scott J. Ateah Stunt Coordinator
Stephen M. Davis Music Editor
Beatrice King Pretty Girl
Shane Vieau Set Decoration
Owen Walstrom Stunts
William 'Big Sleeps' Stewart George
Chris Helcermanas-Benge Still Photographer
Amitai Marmorstein Young Person on the Bus
Chilton Crane Mother on the Bus
Jason Vaisvila Cute Guy with Dreads
Gabe Hilfer Music Supervisor
Zene Baker Editor
Donna Yamamoto Dr. Walderson
Debra Wiebe Hair Department Head
Nathan Kahane Executive Producer
Ben Karlin Producer
Kelli Konop Co-Producer
Paul Lukaitis Unit Production Manager
Monica Huppert Makeup Department Head
Stacey Butterworth Wigmaker
Ed Anders Stunts
Sean Oxenbury Rigging Gaffer
Niall Fraser Best Boy Electric
Christopher De-Schuster Art Gallery Patron
Dottie Starling Visual Effects Supervisor
Will Reiser Writer, Greg, Executive Producer
Cameron K. Smith Chemo Patient (uncredited)
Ross Dempster Art Direction
Shawn Williamson Line Producer
Iris Torres Assistant Director
Ryan W. Smith Joe
Terry Stacey Director of Photography
Carla Hetland Costume Design
Jak Osmond Special Effects Coordinator
Nancy Kirhoffer Post Production Supervisor
Stephanie Rossel Script Supervisor
Lauren Ritchie Visual Effects Producer