Joseph Gordon-Levitt
Adam Lerner
Acting
Seth Rogen
Kyle Hirons
Acting
Anna Kendrick
Katherine McKay
Acting
Bryce Dallas Howard
Rachael
Acting
Philip Baker Hall
Alan
Acting
Serge Houde
Richard Lerner
Acting
Andrew Airlie
Dr. Ross
Acting
Matt Frewer
Mitch
Acting
Peter Kelamis
Phil
Acting
Jessica Parker Kennedy
Jackie
Acting
Anjelica Huston
Diane Lerner
Acting
Sugar Lyn Beard
Susan
Acting
Donna Yamamoto
Dr. Walderson
Acting
Yee Jee Tso
Dr. Lee
Acting
Sarah Smyth
Jenny
Acting
Daniel Bacon
Dr. Phillips
Acting
P. Lynn Johnson
Bernie
Acting
Laura Bertram
Claire
Acting
Matty Finochio
Ted
Acting
Marie Avgeropoulos
Allison
Acting
Luisa d'Oliveira
Agabelle Loogenburgen
Acting
Veena Sood
Nurse Stewart
Acting
Andrea Brooks
Attractive Woman #2
Acting
Beatrice King
Pretty Girl
Acting
Chilton Crane
Mother on the Bus
Acting
Lauren Miller Rogen
Bodie
Acting
Jason Vaisvila
Cute Guy with Dreads
Acting
Brent Sheppard
Minister
Acting
Stephanie Belding
Friendly Nurse
Acting
Ryan W. Smith
Joe
Writing
William 'Big Sleeps' Stewart
George
Acting
Amitai Marmorstein
Young Person on the Bus
Acting
Will Reiser
Greg
Writing
Christopher De-Schuster
Art Gallery Patron
Acting
Adrian Glynn McMorran
Bartender
Acting
Karen van Blankenstein
Nurse Scott
Acting
Richard C. Burton
Thom the Patient
Acting
Susan De West
Bar Girl
Acting
Neil Corbett
Hospital Tech
Acting
Stephen Colbert
Self (archive footage) (uncredited)
Acting
D. C. Douglas
Live Volcano Reporter (voice) (uncredited)
Acting
Cameron K. Smith
Chemo Patient (uncredited)
Acting
Tom MacNeill
Office Staff (uncredited)
Acting