Benedict Cumberbatch Grinch (voice)
Tara Strong Additional Voices (voice)
Rashida Jones Donna Lou Who (voice)
Mindy Sterling Additional Voices (voice)
Angela Lansbury Mayor McGerkle (voice)
Dr. Seuss Book
Scarlett Estevez Izzy (voice)
Kenan Thompson Bricklebaum (voice)
Danny Elfman Original Music Composer
John Roesch Foley Artist
Carlos Alazraqui Additional Voices (voice)
Brian T. Delaney Additional Voices (voice)
Jess Harnell Additional Voices (voice)
Laraine Newman Additional Voices (voice)
Lori Alan Additional Voices (voice)
John Kassir Additional Voices (voice)
Juan Peralta Sound Re-Recording Mixer
Pascal Garneau Sound Effects Editor
Sam Lavagnino Ozzy (voice)
Jim Ward Additional Voices (voice)
Barbara Harris Additional Voices (voice)
Carter Hastings Additional Voices (voice)
Tyler, The Creator Songs
Bill Farmer Additional Voices (voice)
Christopher Flick Foley Supervisor
Gary Rizzo Sound Re-Recording Mixer
Pharrell Williams Narrator (voice)
Cathy Cavadini Additional Voices (voice)
Tommy Swerdlow Screenplay
Aaron Fors Additional Voices (voice)
Danny Mann Additional Voices (voice)
Chris Meledandri Producer
Scott Mosier Additional Voices (voice), Director
Jim Likowski Foley Editor
Townsend Coleman Additional Voices (voice)
Dennis Leonard Supervising Sound Editor
Joel Swetow Additional Voices (voice)
John DeMita Additional Voices (voice)
David Acord Sound Designer, Supervising Sound Editor
Evan Kishiyama Additional Voices (voice)
Chris Renaud Executive Producer
Bonnie Wild Sound Effects Editor
Cheryl Nardi ADR Supervisor
Yarrow Cheney Director
Ramone Hamilton Axl (voice)
Jeremy Maxwell Additional Voices (voice)
Dave Rosenbaum Production Supervisor
Willow Geer Additional Voices (voice)
Doug Burch Additional Voices (voice)
Blake Collins Foley Mixer
Regina Taufen Additional Voices (voice)
Jeannine Berger Post Production Supervisor
Zach Martin Assistant Sound Editor
Janet Healy Producer
Michael Beattie Store Clerk (voice)
Benjamin Faure Animation
Cameron Seely Cindy Lou Who (voice)
Miguel Jiron Storyboard Artist
Tucker Chandler Additional Voices (voice)
Michael LeSieur Screenplay
Cinzia Angelini Storyboard Artist
Meilee Condron Additional Voices (Voice)
Geoff Vaughan Foley Artist
Latifa Ouaou Executive Producer
Alex Puccinelli Additional Voices (voice)
Robert Taylor Associate Producer
Jonathan Greber Dialogue Editor, ADR Editor
Abby Craden Additional Voices (voice)
Colin Stimpson Art Direction
Chris Cartagena Editor
Quentin Piq Animation
Dashiell Priestley Additional Voices (voice)