PG MPAA rating
Rated PG - Parental Guidance Suggested

This article is rated PG, meaning it contains content that may be inappropriate for users the age of 8 and under.

Halloween Is Grinch Night! (also known as Dr. Seuss' Halloween Is Grinch Night!) is an upcoming American 3D computer-animated Halloween comedy film produced by Illumination Entertainment and distributed by Universal Pictures. It is the prequel to the 2018's film The Grinch, which was loosely based on Dr. Seuss' book of How the Grinch Stole Christmas!.


Voice Cast

  • Benedict Cumberbatch as The Grinch
  • Frank Welker as Max the Dog, Grinch's pet dog and sidekick.
  • Jeremy Ray Taylor as Euchariah Who, a 12-years-old resident of Whoville.
  • Catherine O'Hara as Tina Who, Euchariah's mother
  • Nathan Fillion as Harry Who, Euchariah's father
  • Tara Strong as Sassy Who, Euchariah's little sister
  • Phyllis Smith as Mariah Who, Euchariah's grandmother
  • Eugene Levy as Josiah Who, Euchariah's grandfather
  • Max Charles as Greg, Euchariah's best friend
  • Laraine Newman as Greg's mother
  • Kenan Thompson as Bricklebaum, a jolly citizen of Whoville who is Mabel's owner.
  • Angela Lansbury as Mayor McGerkle, the elderly Mayor of Whoville.
  • Pharrell Williams as the Narrator
  • Dee Bradley Baker as Wuzzy Woozoo


  • The Grinch is the fifth Illumination film to become a franchise, after Despicable Me, The Secret Life of Pets, Minions and Sing.
  • This is the first Illumination's Halloween film.
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