Dear Dumb Diary

Jamie Kelly

Isabella

Angeline

Claire Vanderhied (uncredited)

Hudson Rivers

Assistant Principal Devon

Ms. Bruntford

Jamie's Mom

Jamie's Dad

Young Van Gogh

Old Office Lady 1

Old Office Lady 2

Boy Dancer

Aunt Carol

Mr. Vandoy

Coach Dover

Miss Anderson

Mike Pinsetti

Bitter Old Office Lady

Enthusiastic Girl

Mrs. Cutler

Doctor

Nurse

Important Person