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