Vo filme Where the Wild Things Are hrajú 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)), Pepita Emmerichs (Claire), Mark Ruffalo (The Boyfriend), Max Pfeifer (Claire's Friend), Madeleine Greaves (Claire's Friend), Joshua Jay (Claire's Friend), Ryan Corr (Claire's Friend), Steve Mouzakis (Teacher), Michael Berry Jr. (The Bull (voice)), Vincent Crowley (Carol Suit Performer), Sonny Gerasimowicz (Alexander Suit Performer), Nick Farnell (Judith Suit Performer), Sam Longley (Ira 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), Garon Michael (KW Additional Suit Performer), James Epinfaniou (Additional Max Performer), Joshua Evans (Additional Max Performer), Tess Grimshaw Lloyd (Additional Max Performer), Lucas Haynes (Additional Max Performer), Nathan Veal (Additional Max Performer), Skyler Brigmann (Double: Max (uncredited)), Kalia Prescott (Max's Classmate (uncredited)).