Trailer
Cast
Kenan Thompson
Bricklebaum (voice)
Cameron Seely
Cindy-Lou Who (voice)
Pharrell Williams
Narrator (voice)
Sam Lavagnino
Ozzy (voice)
John Kassir
Additional Voices (voice)
Evan Kishiyama
Additional Voices (voice)
Jeremy Maxwell
Additional Voices (voice)
Laraine Newman
Additional Voices (voice)
Angela Lansbury
Mayor McGerkle (voice)
Kevin Hart
Snowball (voice) (uncredited)
Benedict Cumberbatch
The Grinch (voice)
Rashida Jones
Donna Who (voice)
Scott Mosier
Additional Voices (voice)
Townsend Coleman
Additional Voices (voice)
Abby Craden
Additional Voices (voice)
Willow Geer
Additional Voices (voice)
Jess Harnell
Additional Voices (voice)
Jim Ward
Additional Voices (voice)
Scarlett Estevez
Izzy (voice)
Cathy Cavadini
Additional Voices (voice)
Tucker Chandler
Additional Voices (voice)
Tara Strong
Additional Voices (voice)
Tristan O'Hare
Groopert (voice)
Doug Burch
Additional Voices (voice)
Brian T. Delaney
Additional Voices (voice)
Aaron Fors
Additional Voices (voice)
Lori Alan
Additional Voices (voice)
Ramone Hamilton
Axl (voice)
Danny Mann
Additional Voices (voice)
Alex Puccinelli
Additional Voices (voice)
John DeMita
Additional Voices (voice)
Barbara Harris
Additional Voices (voice)
Joel Swetow
Additional Voices (voice)
Mindy Sterling
Additional Voices (voice)
Michael Beattie
Store Clerk (voice)
Carlos Alazraqui
Additional Voices (voice)
Meilee Condron
Additional Voices (Voice)
Bill Farmer
Additional Voices (voice)
Regina Taufen
Additional Voices (voice)