The Book of Henry

Naomi Watts

Susan Carpenter

Jaeden Martell

Henry Carpenter

Jacob Tremblay

Peter Carpenter

Sarah Silverman

Sheila

Maddie Ziegler

Christina Sickleman

Lee Pace

Dr. David Daniels

Dean Norris

Glenn Sickleman

Bobby Moynihan

John

Tonya Pinkins

Principal Wilder

Geraldine Hughes

Mrs. Evans

Jackson Nicoll

Morris

Joel Garland

Big Ed

Wass Stevens

Gary

Marjan Neshat

Nurse Kathy

Maxwell Simkins

Tommy

Donnetta Lavinia Grays

Nurse Leah

Mary Joy

Dot

Mike Massimino

Trucker

Deborah Rayne

EMT

Zandi Holup

Teenage Girl Customer

Arthur French

Gus

Donna Mitchell

Bookstore Clerk

Taylor Dior

Talent Show Singer

Lily Peterson

Stage Manager (non-crédité)

Stefanie Flores

Girlfriend (non-crédité)

Logan Smith

Boy (non-crédité)

Philip Smreck

George Sickleman

Peter Hourihan

Cop

Gavin Barnes

Kid with 'R'