Hal & Harper

Cooper Raiff

Hal

Lili Reinhart

Harper

Betty Gilpin

Kate

Mark Ruffalo

Dad

Addison Timlin

Audrey

Havana Rose Liu

Abby

Alyah Chanelle Scott

Jesse

Christopher Meyer

Kalen

Daphne Abinante

Young Harper (Age 6)

Michelle Pascarella

Mom

Brady Jerome

Young Hal (2004)

Christine Woods

Ms. Havens

Asher Alexander

Josh

Lincoln Bloomfield

Eli

Ayla Manji

Mitali

Azra Anna Kearns

Jessica

Pierce Nation

Chris

Keen Ruffalo

Hal's Roommate

Askyler Bell

Sophie

Alexandra Fatovich

Gianna

Jackie Kay

Dan

Fray Forde

Hal's Roommate

Karl T. Wright

Dr. Kessler

Lon Gowan

Mr. Todd

Lucas Grant

Nick

Christine Kellogg-Darrin

Grace (voice)

Nathaniel Vinarnik

Nathan

Jade Wright

Ruby

Jamie Daniels

Realtor

T.J. Power

Adam

Ian McQuown

Crossing Guard

Makenzie Carmichael

Young Harper (2004)

Zach Noe Towers

Liam

Anna Czerniecki

Antisocial Roommate

Annabelle Dexter-Jones

Sex Worker

Jessica St. Clair

Marlene

Laura Leyva

Patricia

Ben Lewis

Blake

McKinley Carlin

Customer

David John Walsh

Audrey's Ex-Husband

Michelle Haro

Hairdresser

Dan Sachoff

Old Guy

Upasana Beharee

Mitali's Mom

Vyas Sharma

Mitali's Dad

Daniel Guerrido

Mitali's Brother

Al Spencer

Old Fart Teacher

Colette Porch

Young Harper (2009)

Vincent Canale

Young Hal (2009)