Lindsay Lohan

Anna Coleman

Jamie Lee Curtis

Tess Coleman

Harold Gould

Grandpa

Chad Michael Murray

Jake

Mark Harmon

Ryan

Stephen Tobolowsky

Mr. Bates

Christina Vidal Mitchell

Maddie

Ryan Malgarini

Harry Coleman

Haley Hudson

Peg

Rosalind Chao

Pei-Pei

Lucille Soong

Pei-Pei's Mom

Willie Garson

Evan

Dina Spybey-Waters

Dottie Robertson

Julie Gonzalo

Stacey Hinkhouse

Lu Elrod

Detention Monitor

Heather Hach

Gym Teacher

Lorna Scott

Butcher Woman

Danny Rubin

Scott - Bass Player

Cayden Boyd

Harry's Friend #2

Marc McClure

Boris

Chris Heuisler

Mr. Waters

Jeffrey Marcus

Depressed Patient

Jacqueline Heinze

Crying Patient

Mary Ellen Trainor

Diary Reading Patient

Erica Gimpel

Harry's Teacher

William Caploe

Talk Show P.A.

Daniel Raymont

Makeup Artist

Lee Burns

Bouncer