Character Name : Charlie

Original Name : Logan Lerman

Gender : Male

Character Name : Sam

Original Name : Emma Watson

Gender : Female

Character Name : Patrick

Original Name : Ezra Miller

Gender : Male

Character Name : Mary Elizabeth

Original Name : Mae Whitman

Gender : Female

Character Name : Mother

Original Name : Kate Walsh

Gender : Female

Character Name : Father

Original Name : Dylan McDermott

Gender : Male

Character Name : Aunt Helen

Original Name : Melanie Lynskey

Gender : Female

Character Name : Candace

Original Name : Nina Dobrev

Gender : Female

Character Name : Brad

Original Name : Johnny Simmons

Gender : Male

Character Name : Dr. Burton

Original Name : Joan Cusack

Gender : Female

Character Name : Mr. Anderson

Original Name : Paul Rudd

Gender : Male

Character Name : Ponytail Derek

Original Name : Nicholas Braun

Gender : Male

Character Name : Craig

Original Name : Reece Thompson

Gender : Male

Character Name : Senior Bully

Original Name : Patrick de Ledebur

Gender : Male

Character Name : Linebacker

Original Name : Brian Balzerini

Gender : Male

Character Name : Nose Tackle

Original Name : Tom Kruszewski

Gender : Male

Character Name : Susan

Original Name : Julia Garner

Gender : Female

Character Name : Mr. Callahan

Original Name : Tom Savini

Gender : Male

Character Name : Mean Freshman Girl

Original Name : Emily Marie Callaway

Gender : Male

Character Name : Shakespeare Girl

Original Name : Chelsea Zhang

Gender : Female

Character Name : Freshman Boy

Original Name : Jesse Scheirer

Gender : Male

Character Name : Twin Girl #1

Original Name : Justine Nicole Schaefer

Gender : Male

Character Name : Twin Girl #2

Original Name : Julie Marie Schaefer

Gender : Male

Character Name : 7-Year-Old Charlie

Original Name : Leo Miles Farmerie

Gender : Male

Character Name : 9-Year-Old Candace

Original Name : Isabel Muschweck

Gender : Male

Character Name : Bob

Original Name : Adam Hagenbuch

Gender : Male

Character Name : Alice

Original Name : Erin Wilhelmi

Gender : Female

Character Name : Rocky MC

Original Name : Jordan Paley

Gender : Male

Character Name : Chris

Original Name : Zane Holtz

Gender : Male

Character Name : Policeman

Original Name : Timothy Breslin

Gender : Male

Character Name : Emergency Room Policeman

Original Name : Mark McClain Wilson

Gender : Male

Character Name : Emergency Room Doctor

Original Name : Atticus Cain

Gender : Male

Character Name : Young Mom

Original Name : Stacy Chbosky

Gender : Female

Character Name : Priest

Original Name : Dihlon McManne

Gender : Male

Character Name : School Principal

Original Name : Laurie Klatscher

Gender : Male

Character Name : Peter

Original Name : Landon Pigg

Gender : Male

Character Name : Sam's Mom

Original Name : Jennifer Enskat

Gender : Female

Character Name : Patrick's Dad

Original Name : William L. Thomas

Gender : Male

Character Name : Candace's Friend

Original Name : Morgan Wolk

Gender : Female

Character Name : Father of Twin Girls (uncredited)

Original Name : Joe Fishel

Gender : Male