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