Max Records

Max

Catherine Keener

Mom

James Gandolfini

Carol (voice)

Lauren Ambrose

KW (voice)

Catherine O'Hara

Judith (voice)

Forest Whitaker

Ira (voice)

Chris Cooper

Douglas (voice)

Paul Dano

Alexander (voice)

Spike Jonze

Bob (voice) / Terry (voice)

Mark Ruffalo

The Boyfriend

Ryan Corr

Claire's Friend

Steve Mouzakis

Teacher

Michael Berry Jr.

The Bull (voice)

Nick Farnell

Judith Suit Performer

Angus Sampson

The Bull Suit Performer

Mark McCracken

The Bull Additional Suit Performer

John Leary

Douglas Suit Performer

Alice Parkinson

KW Suit Performer

Kalia Prescott

Max's Classmate (uncredited)