Character Name : Max

Original Name : Max Records

Gender : Male

Character Name : Mom

Original Name : Catherine Keener

Gender : Female

Character Name : Carol (voice)

Original Name : James Gandolfini

Gender : Male

Character Name : KW (voice)

Original Name : Lauren Ambrose

Gender : Female

Character Name : Judith (voice)

Original Name : Catherine O'Hara

Gender : Female

Character Name : Ira (voice)

Original Name : Forest Whitaker

Gender : Male

Character Name : Douglas (voice)

Original Name : Chris Cooper

Gender : Male

Character Name : Alexander (voice)

Original Name : Paul Dano

Gender : Male

Character Name : Bob (voice) / Terry (voice)

Original Name : Spike Jonze

Gender : Male

Character Name : Claire

Original Name : Pepita Emmerichs

Gender : Male

Character Name : The Boyfriend

Original Name : Mark Ruffalo

Gender : Male

Character Name : Claire's Friend

Original Name : Max Pfeifer

Gender : Male

Character Name : Claire's Friend

Original Name : Madeleine Greaves

Gender : Male

Character Name : Claire's Friend

Original Name : Joshua Jay

Gender : Male

Character Name : Claire's Friend

Original Name : Ryan Corr

Gender : Male

Character Name : Teacher

Original Name : Steve Mouzakis

Gender : Male

Character Name : The Bull (voice)

Original Name : Michael Berry Jr.

Gender : Male

Character Name : Carol Suit Performer

Original Name : Vincent Crowley

Gender : Male

Character Name : Alexander Suit Performer

Original Name : Sonny Gerasimowicz

Gender : Male

Character Name : Judith Suit Performer

Original Name : Nick Farnell

Gender : Male

Character Name : Ira Suit Performer

Original Name : Sam Longley

Gender : Male

Character Name : The Bull Suit Performer

Original Name : Angus Sampson

Gender : Male

Character Name : The Bull Additional Suit Performer

Original Name : Mark McCracken

Gender : Male

Character Name : Douglas Suit Performer

Original Name : John Leary

Gender : Male

Character Name : KW Suit Performer

Original Name : Alice Parkinson

Gender : Female

Character Name : KW Additional Suit Performer

Original Name : Garon Michael

Gender : Male

Character Name : Additional Max Performer

Original Name : James Epinfaniou

Gender : Male

Character Name : Additional Max Performer

Original Name : Joshua Evans

Gender : Male

Character Name : Additional Max Performer

Original Name : Tess Grimshaw Lloyd

Gender : Female

Character Name : Additional Max Performer

Original Name : Lucas Haynes

Gender : Male

Character Name : Additional Max Performer

Original Name : Nathan Veal

Gender : Male

Character Name : Double: Max (uncredited)

Original Name : Skyler Brigmann

Gender : Male

Character Name : Max's Classmate (uncredited)

Original Name : Kalia Prescott

Gender : Female