Jim Carrey Grinch
Taylor Momsen Cindy Lou Who
Christine Baranski Martha May Whovier
Molly Shannon Betty Lou Who
TJ Thyne Stu Lou Who
Lacey Kohl Christina Whoterberry
Nadja Pionilla Junie
Jim Meskimen Officer Wholihan
Michael Dahlen Customer
Rance Howard Elderly Timekeeper
David Costabile Biker Who
Deep Roy Post Office Clerk
Ben Bookbinder 8 Year Old May Who
Reid Kirchenbauer 8 Year Old Whobris/Kid
Rebecca Chace Shopper
Mindy Sterling Clarnella
Gavin Grazer Yodeler
Verne J. Troyer Band Member
Clay Martinez Cook
Grainger Esch Near Miss Who
Eva Burkley Pudding Chef
Bryce Dallas Howard Surprised Who
Charles Croughwell Balloon Who
Frank Welker Voice of Max the Dog