Dear Dumb Diary

Emily Alyn Lind

Jamie Kelly

Mary-Charles Jones

Isabella

Sterling Griffith

Angeline

Natalie Alyn Lind

Claire Vanderhied (uncredited)

David Mazouz

Hudson Rivers

James Waterston

Assistant Principal Devon

Lea DeLaria

Ms. Bruntford

Maddie Corman

Jamie's Mom

Jeffrey Hanson

Jamie's Dad

Anson Bagley

Young Van Gogh

Marlys Miller-Fladeland

Old Office Lady 1

Marie Sharon

Old Office Lady 2

Ezra Sosa

Boy Dancer

Laura Bell Bundy

Aunt Carol

Tom Markus

Mr. Vandoy

Dane Stevens

Coach Dover

Jacque Gray

Miss Anderson

Carson Oliver

Mike Pinsetti

Jayne Luke

Bitter Old Office Lady

Anais Chantal

Enthusiastic Girl

Joyce Cohen

Mrs. Cutler

James Jamison

Doctor

Renny Grames

Nurse

Anne Sward

Important Person

Fred Schwab

Boring Old Relative

Clara Susan Morey II

Mrs. Clawson

Cameron Asay

Janitor

Taggert Brockbank

Boy Dancer

Skyler Johnson

Boy Dancer

Peiter Mortensen

Boy Dancer

Andrés Peñate

Boy Dancer

Tristen Sosa

Boy Dancer

Mira Spendlove

Girl Dancer

MaKayla Tanner

Girl Dancer

Lexi Bader

Girl Dancer

Stephani Sosa

Girl Dancer

Kenidee C. Allen

Girl Dancer

Hannah Gagon

Girl Dancer

Roger Malaga

Ninja Dancer

Jeffrey Louizia

Ninja Dancer

Bobby Amamizu

Dancer

Braeden Budge

Jump Roper

Vaughn Odenbrett

Wingman

Vaughn Travis

Man on Bus (uncredited)