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