Naomi Watts

Susan Carpenter

Jaeden Martell

Henry Carpenter

Jacob Tremblay

Peter Carpenter

Sarah Silverman

Sheila

Lee Pace

Dr. David Daniels

Maddie Ziegler

Christina

Dean Norris

Glenn Sickleman

Bobby Moynihan

John

Tonya Pinkins

Principal Wilder

Geraldine Hughes

Mrs. Evans

Maxwell Simkins

Tommy

Jackson Nicoll

Morris

Donnetta Lavinia Grays

Nurse Leah

Joel Marsh Garland

Big Ed

Wass Stevens

Gary

Arthur French

Gus

Mary Joy

Dot

Zandi Holup

Teenage Girl Customer

Mike Massimino

Trucker

Donna Mitchell

Bookstore Clerk

Marjan Neshat

Nurse Kathy

Taylor Dior

Talent Show Singer

Philip Smreck

George Sickleman

Deborah Rayne

EMT

Peter Hourihan

Cop

Gavin Barnes

Kid with "R"

Logan Smith

Boy (uncredited)

Stefanie Flores

Girlfriend (uncredited)

Lily Peterson

Stage Manager (uncredited)