50/50

Philip Baker Hall

Alan

Joseph Gordon-Levitt

Adam Lerner

Anjelica Huston

Diane Lerner

Matt Frewer

Mitch

Stephanie Belding

Friendly Nurse

Peter Kelamis

Phil

Marie Avgeropoulos

Allison

Luisa d'Oliveira

Agabelle Loogenburgen

Veena Sood

Nurse Stewart

Anna Kendrick

Katherine McKay

Seth Rogen

Kyle Hirons

Donna Yamamoto

Dr. Walderson

P. Lynn Johnson

Bernie

Chilton Crane

Mother on the Bus

Stephen Colbert

Self (archive footage) (uncredited)

Bryce Dallas Howard

Rachael

Matty Finochio

Ted

D. C. Douglas

Live Volcano Reporter (voice) (uncredited)

Christopher De-Schuster

Art Gallery Patron

Yee Jee Tso

Dr. Lee

Serge Houde

Richard Lerner

William 'Big Sleeps' Stewart

George

Stephanie Rossel

-

Jonathan Levine

-

Andrew Airlie

Dr. Ross

Brent Sheppard

Minister

Andrea Brooks

Attractive Woman #2

Daniel Bacon

Dr. Phillips

Cameron K. Smith

Chemo Patient (uncredited)

Adrian Glynn McMorran

Bartender

Jessica Parker Kennedy

Jackie

Amitai Marmorstein

Young Person on the Bus

Beatrice King

Pretty Girl

Lauren Miller Rogen

Bodie

Sarah Smyth

Jenny

Susan De West

Bar Girl

Sugar Lyn Beard

Susan

Jason Vaisvila

Cute Guy with Dreads

Laura Bertram

Claire

Karen van Blankenstein

Nurse Scott

Richard C. Burton

Thom the Patient

Tom MacNeill

Office Staff (uncredited)

Ryan W. Smith

-

Will Reiser

-

Neil Corbett

Hospital Tech

Iris Torres

-