Grinch
Jim Carrey
Cindy Lou Who
Taylor Momsen
Mayor of Whoville
Jeffrey Tambor
Martha May Who-vier
Christine Baranski
Lou Lou Who
Bill Irwin
Drew Lou Who
Jeremy Howard
Betty Lou Who
Molly Shannon
Max
Kelley
Whobris
Clint Howard
Stu Lou Who
T.J. Thyne
Narrator
Anthony Hopkins
8-Year-Old Grinch
Josh Ryan Evans
Nurse Who
Rachel Bailit
Clarnella
Mindy Sterling
Surprised Who
Bryce Dallas Howard
Christina Whoterberry
Lacey Kohl
Rose
Rachel Winfree
Junie
Nadja Pionilla
Officer Wholihan
Jim Meskimen
Elderly Timekeeper
Rance Howard
Customer
Michael Dahlen
Stu Lou Who
T. J. Thyne
Who
Frankie Ray
Biker Who
David Costabile
Miss Rue Who
Mary Stein
Crazy Mose
James Ritz
Post Office Clerk
Deep Roy
Sophie
Jessica Sara
Who Boy
Mason Lucero
May Who
Ben Bookbinder
School Girl
Michaela Gallo
8-Year-Old Augustus Maywho
Ben Bookbinder
Martha
Landry Allbright
Kid, Whobris
Reid Kirchenbauer
8-Year-Old Whobris
Reid Kirchenbauer
Shopper
Rebecca Chace
Shopper
Suzanne Krull
Shopper
Steve Kehela
Shopper
Lillias White
Shopper
Rain Pryor
Shopper
John Alexander
Tree Trimmer
Kevin Isola
Yodeler
Gavin Grazer
Clerk
Walter Franks
Band Member
Verne Troyer
Cook
Clay Martinez
Cook
Clayton Martinez
Little Choir Member
Q'orianka Kilcher
Tiny Who Woman
Caroline Williams
Tiny Who Man
John Short
Near Miss Who
Grainger Esch
Near Miss Who
Grainger Esch
Pudding Chef
Eva Burkley
Puppeteer
Rick Baker
Balloon Who
Charles Croughwell
Puppeteer
Bill Sturgeon
Puppeteer
Mark Setrakian
Puppeteer
Jurgen Heimann
Puppeteer
Tim Blaney
Balloon Who
Charles Croughwell
Max the Dog (voice)
Frank Welker
Boris Karloff
June Foray
Dal McKennon
Thurl Ravenscroft
Cook
Clayton Martinez
Richard Horvitz
Tommy Karlsen
Catherine Baranov