Jim Carrey as Grinch

Taylor Momsen as Cindy Lou Who

Jeffrey Tambor as Mayor Augustus Maywho

Christine Baranski as Martha May Whovier

Bill Irwin as Lou Lou Who

Molly Shannon as Betty Lou Who

Clint Howard as Whobris

Josh Ryan Evans as 8-Year-Old Grinch

Mindy Sterling as Clarnella

Bryce Dallas Howard as Surprised Who

Lacey Kohl as Christina Whoterberry

Rachel Winfree as Rose

Rance Howard as Elderly Timekeeper

Jeremy Howard as Drew Lou Who

T.J. Thyne as Stu Lou Who

Nadja Pionilla as Junie

Jim Meskimen as Officer Wholihan

Michael Dahlen as Customer

David Costabile as Biker Who

Mary Stein as Miss Rue Who

James Ritz as Crazy Mose

Deep Roy as Post Office Clerk

Jessica Sara as Sophie

Mason Lucero as Who Boy

Ben Bookbinder as 8-Year-Old Augustus Maywho

Michaela Gallo as Who Schoolgirl

Landry Allbright as 8-Year-Old Martha May Whovier

Reid Kirchenbauer as 8-Year-Old Whobris

Rebecca Chace as Shopper

Suzanne Krull as Shopper

Steve Kehela as Shopper

Lillias White as Shopper

Rain Pryor as Shopper

John Alexander as Shopper

Kevin Isola as Tree Trimmer

Gavin Grazer as Yodeler

Walter Franks as Clerk

Verne Troyer as Band Member

Clayton Martinez as Cook

Q'orianka Kilcher as Little Choir Member

Caroline Williams as Tiny Who Woman

John Short as Tiny Who Man

Grainger Esch as Near Miss Who

Eva Burkley as Pudding Chef

Rick Baker as Puppeteer

Bill Sturgeon as Puppeteer

Mark Setrakian as Puppeteer

Jurgen Heimann as Puppeteer

Tim Blaney as Puppeteer

Charles Croughwell as Balloon Who

Frank Welker as Max the Dog (voice)

Anthony Hopkins as Narrator (voice)