金·凯瑞
Jim Carrey
饰：格林奇 Grinch
泰勒·摩森
TaylorMichaelMomsen
饰：辛蒂 Cindy Lou Who
杰弗里·塔伯
Jeffrey Tambor
饰：Mayor Augustus Maywho
克里斯汀·芭伦斯基
Christine Baranski
饰：Martha May Whovier
比尔·欧文
Bill Irwin
饰：Lou Lou Who
莫莉·香侬
Molly Shannon
饰：Betty Lou Who
克林特·霍华德
Clint Howard
饰：Whobris
乔希·瑞安·伊万斯
Josh Ryan Evans
饰：8-Year-Old Grinch
明迪·斯特林
Mindy Sterling
饰：Clarnella
Rachel Winfree
Rachel Winfree
饰：Rose
兰斯·霍华德
Rance Howard
饰：Elderly Timekeeper
杰瑞米·霍华德
Jeremy Patrick Howard
饰：Drew Lou Who
T·J·塞恩
T.J. Thyne
饰：Stu Lou Who
莱西·科尔
Lacey Kohl
饰：Christina Whoterberry
吉姆·麦司奇门
Jim Meskimen
饰：Officer Wholihan
Michael Dahlen
饰：Customer
大卫·科斯塔贝尔
David Costabile
饰：Biker Who
玛丽·斯坦
Mary Stein
饰：Miss Rue Who
James Ritz
饰：Crazy Mose
迪普·罗伊
Deep Roy
饰：Post Office Clerk
Michaela Gallo
饰：Who Schoolgirl
兰德里·阿尔伯特
Landry Allbritht
饰：8-Year-Old Martha May Whovier
苏姗妮·克鲁尔
Suzanne Krull
饰：Shopper
Steve Kehela
Steve Kehela
饰：Shopper
莉莉亚斯·惠特
Lillias White
饰：Shopper
Rain Pryor
饰：Shopper
加文·格雷泽
Gavin Grazer
饰：Yodeler
Walter Franks
饰：Clerk
凡尔纳·特罗耶
Verne Troyer
饰：Band Member (as Verne J. Troyer)
John Short
John Short
饰：Tiny Who Man
里克·贝克
Rick Baker
饰：Puppeteer
Mark Setrakian
饰：Puppeteer
Jurgen Heimann
饰：Puppeteer
蒂姆·布莱尼
Tim Blaney
饰：Puppeteer
布莱丝·达拉斯·霍华德
Bryce Dallas Howard
饰：Surprised Who (as Bryce Howard)
查尔斯·克劳格韦尔
Charles Croughwell
饰：Balloon Who
弗兰克·维尔克
Frank Welker
饰：Max the Dog
安东尼·霍普金斯
Anthony Hopkins
饰：Narrator
Rachel Bailit
Rachel Bailit
饰：Sexy Whoville Nurse (uncredited)
Dean Chambers
Dean Chambers
饰：Who (uncredited)
Heather Lea Gerdes
Heather Lea Gerdes
饰：Whoville Choir (uncredited)
Linda Harmon
Linda Harmon
饰：Whoville Choir (uncredited)
朗·霍华德
Ron Howard
饰：Whoville Townsperson (uncredited)
Christopher Metas
饰：Who (uncredited)
邦妮·摩根
Bonnie Morgan
饰：Pudding Head Who (uncredited)
Frankie Ray
饰：Who (uncredited)
Robin Kaye Shaw
饰：Toy Lady Who (uncredited)
Nadja Pionilla
饰：Junie
杰西卡·萨拉
Jessica Sara
饰：Sophie
Ben Bookbinder
饰：8-Year-Old Augustus Maywho
Reid Kirchenbauer
饰：8-Year-Old Whobris
Rebecca Chace
Rebecca Chace
饰：Shopper
Kevin Isola
饰：Tree Trimmer
Clay Martinez
饰：Cook (as Clay Martinez)
考莉安卡·基尔彻
Q'orianka Kilcher
饰：Little Choir Member
卡罗琳·威廉斯
Caroline Williams
饰：Tiny Who Woman
Grainger Esch
饰：Near Miss Who
Eva Burkley
Eva Burkley
饰：Pudding Chef
Bill Sturgeon
饰：Puppeteer
Mindy Ferguson
饰：Sexy Blonde Who (uncredited)
赛斯·亚当·琼斯
Seth Adam Jones
饰：Hugh Who (uncredited)
Allie McCall
饰：Noelie (uncredited)
Ann Mills
饰：Shopper (uncredited)
Sloane Momsen
饰：Little Girl Dreaming of Sugarplums (uncredited)
汤米·卡尔森
Tommy Karlsen
饰：Additional Voices (uncredited)
Kelley
饰：Max
Mason Lucero
饰：Who Boy
约翰·亚历山大
John Alexander
饰：Shopper
弗兰克·维尔克
Frank Welker
理查德·史蒂文·霍维茨
Richard Steven Horvitz
汤米·卡尔森
Tommy Karlsen
Carlos Ragas
Clayton Martinez
饰：Cook,(as Clay Martinez)