Grinch (voice)
Benedict Cumberbatch
Donna Lou Who (voice)
Rashida Jones
Additional Voices (voice)
Scott Mosier
Lori Alan
Carter Hastings
Carlos Alazraqui
John Kassir
Cathy Cavadini
Danny Mann
Additional Voices (Voice)
Meilee Condron
Groopert (voice)
Tristan O'Hare
Doug Burch
Bricklebaum (voice)
Kenan Thompson
Tucker Chandler
Townsend Coleman
Abby Craden
Brian T. Delaney
John DeMita
Bill Farmer
Aaron Fors
Willow Geer
Jess Harnell
Evan Kishiyama
Cindy Lou Who (voice)
Cameron Seely
Barbara Harris
Jeremy Maxwell
Laraine Newman
Dashiell Priestley
Alex Puccinelli
Emma Elizabeth Shannon
Joel Swetow
Mindy Sterling
Tara Strong
Regina Taufen
Mayor McGerkle (voice)
Angela Lansbury
Jim Ward
Narrator (voice)
Pharrell Williams
Axl (voice)
Ramone Hamilton
Ozzy (voice)
Sam Lavagnino
Izzy (voice)
Scarlett Estevez
Store Clerk (voice)
Michael Beattie
Sound Designer
David Acord
Executive Producer
Chris Renaud
Foley Artist
John Roesch
Storyboard Artist
Miguel Jiron
Producer
Director
Songs
Tyler, The Creator
Production Manager
Dave Rosenbaum
Chris Meledandri
Sound Effects Editor
Bonnie Wild
Audrey Geisel
Supervising Sound Editor
Dennis Leonard
Original Music Composer
Danny Elfman
Animation
Benjamin Faure
Associate Producer
Robert Taylor
Book
Dr. Seuss
Yarrow Cheney
Screenplay
Tommy Swerdlow
Janet Healy
Michael LeSieur
Editor
Chris Cartagena
Brett Hoffman
Art Direction
Colin Stimpson
Music Arranger
Tom Brown
Post Production Supervisor
Eileen Godoy
Foley Mixer
Blake Collins
Foley Editor
Jim Likowski
Geoff Vaughan
Production Supervisor
Delphine Le Roch
Assistant Production Manager
Gaëlle Santamarta
VFX Supervisor
Charles Seignolle
Pascal Garneau
Cinzia Angelini
Dialogue Editor
Jonathan Greber
Jeannine Berger
Foley Supervisor
Christopher Flick